CHUM Meaning of CHUM in English n. & v. US n. 1 refuse from fish. 2 chopped fish used as bait. v. 1 intr. fish using chum. 2 tr. bait (a fishing place) using chum. [ 19th c.: orig. unkn. ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012