'Breastpin' definitions:

Definition of 'breastpin'

(from WordNet)
noun
A decorative pin worn by women [syn: brooch, broach, breastpin]

Definition of 'Breastpin'

From: GCIDE
  • Breastpin \Breast"pin`\ (br[e^]st"p[i^]n`), n. A pin worn on the breast for a fastening, or for ornament; a brooch. [1913 Webster]