gam

1. a leg, especially a woman's.

   she slowly and methodically revealed one of those glorious gams

late 18th century: probably a variant of the heraldic term gamb, which denotes a charge representing an animal's leg, from Old Northern French gambe ‘leg’.

1. a school of whales, porpoises, or dolphins.

   whalers never passed right by a gam of whales

2. a social meeting or informal conversation (originally one among whalers at sea).

mid 19th century: origin uncertain; perhaps from dialect gam ‘game’, or shortened from gammon³.