pec

noun3

1. •
   [usually plural] (informal) The pectoralis major muscle.

   • He's flexing his pecs at anyone who'll look.
2. •
   Clipping of pectoral sandpiper.

   • Greenshank, dunlins, common sand, snipe and blackwits accompanied the pec. — 2016
3. •
   (slang, no longer used) Money.