1) Legs 1) WWII pinup features 2) Betty Grable had great ones 3) British slang for legs 4) Cheesecake pieces 5) Grable trademark 6) Groups of whales 7) Herds of humpbacks 8) Herds of whales 9) Klute actress et al 10) Legs, also in slang 11) Legs, to a zoot suiter 12) Legs, to Chandler 13) Legs, to Sam Spade 
General Algebraic Mathematical System
Gams is British slang for legs.