The cardinal number occurring after eleven and before thirteen, represented in Arabic numerals as 12 and in Roman numerals as XII.

A group of twelve items. / A twelve-bore gun. / (law, colloquial) A jury (normally composed of twelve persons). / (slang) The police; law enforcement, especially a narcotics officer.

plural of twelve

(printing) duodecimo format

The property of being twelve in number.

(In both the 12-hour clock and the 24-hour clock) The start of the thirteenth hour of the day; noon (noontime); 12:00 p.m. (12:00).

The number 1200 one thousand two hundred / The year 1200.

plural of twelve-stepper

Alternative spelling of twelve-stepper

plural of twelve stepper (alternative spelling of twelve-steppers).