Meaning of COLON in English

n. a punctuation mark (:), used esp. to introduce a quotation or a list of items or to separate clauses when the second expands or illustrates the first; also between numbers in a statement of proportion (as in 10:1) and in Biblical references (as in Exodus 3:2). [L f. Gk kolon limb, clause]

English main colloquial, spoken dictionary.      Английский основной разговорный словарь.