gam (2)EnglishOxford Dictionary of Englishgam2 /ɡam / ▸ noun 1 rare a school of whales, porpoises, or dolphins: whalers never passed right by a gam of whales. 2 US English dialect a social meeting or informal conversation (originally one among whalers at sea). – ORIGIN mid 19th century: origin uncertain; perhaps from dialect gam ‘game’, or shortened from gammon3.