Entry 1 sense Webster, 1913 Bomber jacket /bäm'-ẽr jăk'-ət/ · Bom·ber jack·et · IPA 01 n. a short men's jacket made of leather, having a zipper in front, knitted cuffs, and ribbed trim. 1. a short men's jacket made of leather, having a zipper in front, knitted cuffs, and ribbed trim.