[twelve] n [ME, fr. OE twelf; akin to OHG zwelif twelve, OE twa two, -leofan (as in endleofan eleven)--more at two, eleven] (bef. 12c) 1: one more than eleven
2. cap a: the twelve original disciples of Jesus b: the books of the Minor Prophets in the Jewish Scriptures
3: the 12th in a set or series
4: something having 12 units or members
5. pl: twelvemo -- twelfth adj or n -- twelve adj -- twelve pron, pl in constr