[two] adj [ME twa, two, fr. OE twa (fem. & neut.); akin to OE twegen two (masc.), tu (neut.), OHG zwene, L duo, Gk dyo] (bef. 12c) 1: being one more than one in number
2: being the second--used postpositively "section ~ of the instructions"
two pron, pl in constr (bef. 12c) 1: two countable individuals not specified "only ~ were found"
2: a small approximate number of indicated things "only a shot or ~ were fired" two n, pl twos (ca. 1585) 1: one more than one
2: the second in a set or series "the ~ of spades"
3: a 2-dollar bill
4: something having two units or members