(n)coarse sprawling Australasian plant with red or yellow flowers; cultivated for its edible young shoots and succulent leaves, Syn.Tetragonia tetragonioides, Tetragonia expansa
(n)Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States, Syn.vegetable oyster, oyster plant, Tragopogon porrifolius
(n)European perennial naturalized throughout United States having hollow stems with a few long narrow tapered leaves and each bearing a solitary pale yellow flower, Syn.Tragopogon dubius
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. [ L. tetragonum, Gr. tetra`gwnon; te`tra- (see Tetra-) + gwni`a corner, angle: cf. F. tétragone. ] 1. (Geom.) A plane figure having four sides and angles; a quadrangle, as a square, a rhombus, etc. [ 1913 Webster ]
2. (Astrol.) An aspect of two planets with regard to the earth when they are distant from each other ninety degrees, or the fourth of a circle. Hutton. [ 1913 Webster ]
a. 1. (Geom.) Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers. [ 1913 Webster ]
2. (Bot.) Having four prominent longitudinal angles. [ 1913 Webster ]
3. (Crystallog.) Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization. [ 1913 Webster ]
n. [ NL., fr. L. tragopan a fabulous Ethiopian bird, Gr. &unr_;. ] (Zool.) Any one of several species of Asiatic pheasants of the genus Ceriornis. They are brilliantly colored with a variety of tints, the back and breast are usually covered with white or buff ocelli, and the head is ornamented with two bright-colored, fleshy wattles. The crimson tragopan, or horned pheasant (Ceriornis satyra), of India is one of the best-known species. [ 1913 Webster ]