chum meaning and definition

CHUM noun

Definition of chum (noun)

1. a close friend who accompanies his buddies in their activities
   • synonyms: brother, buddy, crony, pal, sidekick
2. bait consisting of chopped fish and fish oils that are dumped overboard to attract fish
3. a large Pacific salmon with small spots on its back; an important food fish
   • synonyms: chum salmon, Oncorhynchus keta