xxiii adj 1: being three more than twenty [syn: {twenty-three}, {23}, {xxiii}] n 1: the cardinal number that is the sum of twenty-two and one [syn: {twenty-three}, {23}, {XXIII}]
xxiii \xxiii\, adj. The Roman number representing {twenty-three}. Syn: twenty-three, 23. [WordNet 1.5]