(gam) noun
1. A herd or school of whales.
2. U.S. Dial. An exchange of visits between whaling vessels and crews.
—v. gammed, gam·ming v.i.
1. U.S. Dial. To visit back and forth while at sea.
2. To come together in a gam: said of whales.
—v.t.
3. U.S. Dial. To make a visit or visits to. [? Var. of GAME¹]

(gam) noun Slang.
A leg or calf, especially of a woman. [Var. of GAMB]