Regular /(-l?r)/

Reg·u·lar

Regular

a.
  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.
  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.
  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.
  4. Belonging to a monastic order or community; as, regular clergy, in distinction dfrom the secular clergy.
  5. Thorough; complete; unmitigated; as, a regular humbug. [Colloq.]
  6. Having all the parts of the same kind alike in size and shape; as, a regular flower; a regular sea urchin. (Bot. & Zool.)
  7. Same as Isometric. (Crystallog.)

Phrases & Compounds
Regular polygon
a plane polygon which is both equilateral and equiangular.
Regular polyhedron
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
sales of stock deliverable on the day after the transaction.
Regular troops
troops of a standing or permanent army; -- opposed to militia.

Regular

n.
  1. A member of any religious order or community who has taken the vows of poverty, chastity, and obedience, and who has been solemnly recognized by the church. (R. C. Ch.)
  2. A soldier belonging to a permanent or standing army; -- chiefly used in the plural. (Mil.)