'Bomber jacket' definitions:

Definition of 'bomber jacket'

(from WordNet)
noun
A jacket gathered into a band at the waist

Definition of 'Bomber jacket'

From: GCIDE
  • Bomber jacket \Bom"ber jack`et\, n. [From its resemblance to the style of jacket work by the crews of World War II bomber airplanes.] a short men's jacket made of leather, having a zipper in front, knitted cuffs, and ribbed trim. [PJC]