Meaning of REGULAR in English
1》 arranged in a constant or definite pattern, especially with the same space between individual instances.
2》 recurring at short uniform intervals: a ~ monthly check.
↘done or happening frequently.
↘doing the same thing often or at uniform intervals: ~ worshippers.
3》 conforming to or governed by an accepted standard of procedure or convention.
↘of or belonging to the permanent professional armed forces of a country.
↘properly trained or qualified and pursuing a full-time occupation.
↘ Christian Church subject to or bound by religious rule. Contrasted with secular .
4》 usual or customary.
↘ chiefly N. Amer. of an ordinary kind.
↘ N. Amer. not pretentious or arrogant; ordinary and friendly: a ~ guy.
↘(chiefly in commercial use) denoting merchandise of average size.
5》 Grammar (of a word) following the normal pattern of inflection.
6》 Geometry (of a figure) having all sides and all angles equal.
↘(of a solid) bounded by a number of equal figures.
7》 Botany (of a flower) having radial symmetry.
■ noun a ~ customer, member of a team, etc.
↘a ~ member of the armed forces.
↘ Christian Church one of the ~ clergy.
~ity noun ( plural ~ities ).
~ization or ~isation noun
~ize or ~ise verb
ME: from OFr. reguler , from L. ~is , from regula 'rule'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004