Meaning of TWO in English

[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"

[2]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" [3]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

Merriam-Webster English vocab.      Английский словарь Merriam Webster.