Meaning of THREE in English

THREE

three S1 /θriː/ BrE AmE number

[ Language: Old English ; Origin: thrie , threo ]

1 . the number 3:

They’ve won their last three games.

We’d better go. It’s almost three (=three o'clock) .

My little sister’s only three (=three years old) .

2 . in threes in groups of three people or things:

Teachers taking part will be asked to work in threes.

⇨ ↑ threesome , ↑ third

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.