*edra*

v. t. [ imp. & p. p. Bedraggled p. pr. & vb. n. Bedraggling ] To draggle; to soil, as garments which, in walking, are suffered to drag in dust, mud, etc. Swift. [ 1913 Webster ]

‖n. [ L., fr. Gr. &unr_; seat. See Chair. ] The official chair or throne of a bishop, or of any person in high authority. [ 1913 Webster ]

Ex cathedra [ L., from the chair ], in the exercise of one's office; with authority. [ 1913 Webster ]

The Vatican Council declares that the Pope, is infallible “when he speaks ex cathedra.” Addis & Arnold's Cath. Dict. [ 1913 Webster ]

n. [ LL. cathedralis (sc. ecclesia): cf. F. cathédrale. See Cathedra. ] The principal church in a diocese, so called because in it the bishop has his official chair (Cathedra) or throne. [ 1913 Webster ]

a. [ LL. cathedralis: cf. F. cathédral. ] [ 1913 Webster ]

1. Pertaining to the head church of a diocese; as, a cathedral church; cathedral service. [ 1913 Webster ]

2. Emanating from the chair of office, as of a pope or bishop; official; authoritative. [ 1913 Webster ]

Now, what solemnity can be more required for the pope to make a cathedral determination of an article! Jer. Taylor. [ 1913 Webster ]

3. Resembling the aisles of a cathedral; as, cathedral walks. Pope. [ 1913 Webster ]

a. Cathedral. [ R. ] [ 1913 Webster ]

a. [ From Cathedra. ] Relating to the chair or office of a teacher. [ Obs. ] [ 1913 Webster ]

n. [ Cf. F. cédrat. See Cedar. ] (Bot.) Properly the citron, a variety of Citrus medica, with large fruits, not acid, and having a high perfume. [ 1913 Webster ]

a. Presenting a combination of a cube and an octahedron. [ 1913 Webster ]

a. Having ten sides. [ 1913 Webster ]

a. The same as Dihedral. [ 1913 Webster ]

a. [ Gr. di- = di`s- twice + &unr_; a seat, bottom, base, fr. &unr_; to sit. Cf. Diedral. ] 1. Having two plane faces; as, the dihedral summit of a crystal. [ 1913 Webster ]

2. Of a kite or an aëroplane, having wings that make with one another a dihedral angle, esp. when the angle between the upper sides is less than 180°. [ Webster 1913 Suppl. ]

3. (Aëronautics) Of wing pairs, inclined at an upward angle to each other. [ Webster 1913 Suppl. ]

Dihedral angle, the angular space contained between planes which intersect. It is measured by the angle made by any two lines at right angles to the two planes. [ 1913 Webster ]

a. Pertaining to, or like, a dodecahedion; consisting of twelve equal sides. [ 1913 Webster ]

Dodecahedral cleavage. See under Cleavage. [ 1913 Webster ]

a., n. See Dodecahedral, and Dodecahedron. [ 1913 Webster ]

a. [ Gr. 'enne`a nine + &unr_; side. ] (Geom.) Having nine sides.

‖n.; pl. Exedræ [ L., fr. Gr 'exe`dra; 'ex out + "e`dra seat.] 1. (Class. Antiq.) A room in a public building, furnished with seats. [1913 Webster]

2. (Arch.) (a) The projection of any part of a building in a rounded form. (b) Any out-of-door seat in stone, large enough for several persons; esp., one of curved form. [1913 Webster]

‖n. [ NL. ] See Exedra. [ 1913 Webster ]

v. t. [ imp. & p. p. Finedrawn p. pr. & vb. n. Finedrawing. ] To sew up, so nicely that the seam is not perceived; to renter. Marryat. [ 1913 Webster ]

n. One who finedraws. [ 1913 Webster ]

a. Drawn out with too much subtilty; overnice; as, finedrawn speculations. [ 1913 Webster ]

n. [ AS. f&ymacr_;rdraca; f&ymacr_;r fire + draca a dragon. See Fire, and Drake a dragon. ] [ Obs. ] 1. A fiery dragon. Beau. & Fl. [ 1913 Webster ]

2. A fiery meteor; an ignis fatuus; a rocket. [ 1913 Webster ]

3. A worker at a furnace or fire. B. Jonson. [ 1913 Webster ]

a. [ Hemi- + Gr. &unr_; seat, base, fr. &unr_; to sit. ] (Crystallog.) Having half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry would require, as when a cube has planes only on half of its eight solid angles, or one plane out of a pair on each of its edges; or as in the case of a tetrahedron, which is hemihedral to an octahedron, it being contained under four of the planes of an octahedron. -- Hem`i*he"dral*ly, adv. [1913 Webster]

a. [ Hemi- + holohedral. ] (Crystallog.) Presenting hemihedral forms, in which half the sectants have the full number of planes. [ 1913 Webster ]

a. In the form of a hexahedron; having six sides or faces. [ 1913 Webster ]

a. [ Holo- + Gr. &unr_; seat, base, fr. &unr_; to sit. ] (Crystallog.) Having all the planes required by complete symmetry, -- in opposition to hemihedral. [ 1913 Webster ]

a. [ Holo- + hemihedral. ] (Crystallog.) Presenting hemihedral forms, in which all the sectants have halt the whole number of planes. Dana. [ 1913 Webster ]

a. [ See Icosahedron. ] (Geom.) Having twenty equal sides or faces. [ 1913 Webster ]

a. See Octahedral. [ 1913 Webster ]

a. [ See octahedron. ] Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage; an octahedral crystal. [ 1913 Webster ]

octahedral borax (Chem.), borax obtained from a saturated solution in octahedral crystals, which contain five molecules of water of crystallization; distinguished from common or prismatic borax. --
Octahedral iron ore (Min.), magnetite. [ 1913 Webster ]

n. [ See Pedi-; Rail. ] (Mach.) (a) A device intended to replace the wheel of a self-propelled vehicle for use on rough roads and to approximate to the smoothness in running of a wheel on a metal track. The tread consists of a number of rubber shod feet which are connected by ball-and-socket joints to the ends of sliding spokes. Each spoke has attached to it a small roller which in its turn runs under a short pivoted rail controlled by a powerful set of springs. This arrangement permits the feet to accomodate themselves to obstacles even such as steps or stairs. The pedrail was invented by one B. J. Diplock of London, Eng. (b) A vehicle, as a traction engine, having such pedrails. [ Webster 1913 Suppl. ]

a. Having five sides; as, a pentahedral figure. [ 1913 Webster ]

a. [ Gr. pla`gios oblique + &unr_; base, seat. ] (Crystallog.) Having an oblique spiral arrangement of planes, as levogyrate and dextrogyrate crystals. [ 1913 Webster ]

{ } a. [ See Polyhedron. ] (Geom.) Having many sides, as a solid body. [ 1913 Webster ]

Polyhedral angle, an angle bounded by three or more plane angles having a common vertex. [ 1913 Webster ]

a. [ See Pyritohedron. ] (Crystallog.) Like pyrites in hemihedral form. [ 1913 Webster ]

v. t. To draft or draw anew. [ 1913 Webster ]

n. 1. A second draft or copy. [ 1913 Webster ]

2. (Com.) A new bill of exchange which the holder of a protected bill draws on the drawer or indorsers, in order to recover the amount of the protested bill with costs and charges. [ 1913 Webster ]

v. t. [ imp. Redrew p. p. Redrawn p. pr. & vb. n. Redrawing. ] To draw again; to make a second draft or copy of; to redraft. [ 1913 Webster ]

v. i. (Com.) To draw a new bill of exchange, as the holder of a protested bill, on the drawer or indorsers. [ 1913 Webster ]

a. (Geom. & Crystallog.) Related to the rhombohedron; presenting the form of a rhombohedron, or a form derivable from a rhombohedron; relating to a system of forms including the rhombohedron and scalenohedron. [ 1913 Webster ]

Rhombohedral iron ore (Min.) See Hematite. --
Rhombohedral system (Crystallog.), a division of the hexagonal system embracing the rhombohedron, scalenohedron, etc. [ 1913 Webster ]

a. (Crystallog.) Of or pertaining to a scalenohedron. [ 1913 Webster ]

a. Approaching the form of a three-sided pyramid; as, the subtrihedral crown of a tooth. Owen. [ 1913 Webster ]

a. [ Gr. &unr_; sitting with; sy`n with + "e`dra seat.] (Bot.) Growing on the angles of a stem, as the leaves in some species of Selaginella. [1913 Webster]

a. [ Gr. &unr_; fourth + &unr_; base. ] (Crystallog.) Having one fourth the number of planes which are requisite to complete symmetry. -- Te*tar`to*he"dral*ly, adv. [1913 Webster]

a. [ See Tetrahedron. ] 1. Having, or composed of, four sides. [ 1913 Webster ]

2. (Crystallog.) (a) Having the form of the regular tetrahedron. (b) Pertaining or related to a tetrahedron, or to the system of hemihedral forms to which the tetrahedron belongs. [ 1913 Webster ]

Tetrahedral angle (Geom.), a solid angle bounded or inclosed by four plane angles. [ 1913 Webster ]

adv. In a tetrahedral manner. [ 1913 Webster ]

a. (Crystallog.) Pertaining to a tetrahexahedron. [ 1913 Webster ]

a. Of, pertaining to, or resembling, a trapezohedron. [ 1913 Webster ]

a. [ Gr. &unr_; thirty + &unr_; seat, base. ] Having thirty sides. [ 1913 Webster ]

a. See Trihedral. [ 1913 Webster ]