a. [ L. regularis, fr. regula a rule, fr. regere to guide, to rule: cf. F. régulier. See Rule. ] [ 1913 Webster ]
1. Conformed to a rule; agreeable to an established rule, law, principle, or type, or to established customary forms; normal; symmetrical; as, a regular verse in poetry; a regular piece of music; a regular verb; regular practice of law or medicine; a regular building. [ 1913 Webster ]
2. Governed by rule or rules; steady or uniform in course, practice, or occurence; not subject to unexplained or irrational variation; returning at stated intervals; steadily pursued; orderlly; methodical; as, the regular succession of day and night; regular habits. [ 1913 Webster ]
3. Constituted, selected, or conducted in conformity with established usages, rules, or discipline; duly authorized; permanently organized; as, a regular meeting; a regular physican; a regular nomination; regular troops. [ 1913 Webster ]
4. Belonging to a monastic order or community; as, regular clergy, in distinction dfrom the secular clergy. [ 1913 Webster ]
5. Thorough; complete; unmitigated; as, a regular humbug. [ Colloq. ] [ 1913 Webster ]
6. (Bot. & Zool.) Having all the parts of the same kind alike in size and shape; as, a regular flower; a regular sea urchin. [ 1913 Webster ]
7. (Crystallog.) Same as Isometric. [ 1913 Webster ]
Regular polygon (Geom.), a plane polygon which is both equilateral and equiangular. --
Regular polyhedron (Geom.), a polyhedron whose faces are equal regular polygons. There are five regular polyhedrons, -- the tetrahedron, the hexahedron, or cube, the octahedron, the dodecahedron, and the icosahedron. --
Regular sales (Stock Exchange), sales of stock deliverable on the day after the transaction. --
Regular troops, troops of a standing or permanent army; -- opposed to militia. [ 1913 Webster ]
Syn. -- Normal; orderly; methodical. See Normal. [ 1913 Webster ]