Conformed to a rule; agreeable to an established rule, law or principle, to a prescribed mode or to established customary forms; as a regular epic poem; a regular verse in poetry; a regular piece of music; regular practice of law or medicine; a regular plan; a regular building.

Governed by rule or rules; steady or uniform in a course or practice; as regular in diet; regular in attending on divine worship.

In geometry, a regular figure is one whose sides and angles are equal, as a square, a cube, or an equilateral triangle. Regular figures of more than three or four sides are usually called regular polygons.

Instituted or initiated according to established forms or discipline; as a regular physician.

Methodical; orderly; as a regular kind of sensuality or indulgence.

Periodical; as the regular return of day and night; a regular trade wind or monsoon.

Pursued with uniformity or steadiness; as a regular trade.

Belonging to a monastic order; as regular clergy, in distinction from the secular clergy; . Regular troops, troops of a permanent army; opposed to militia.

In a monastery, one who has taken the vows, and who is bound to follow the rules of the order.

A soldier belonging to a permanent army.