'Pigeon-breasted' definitions:

Definition of 'pigeon-breasted'

From: WordNet
adjective
Having a chest deformity marked by a projecting breastbone caused by infantile rickets [syn: pigeon- breasted, chicken-breasted]

Definition of 'Pigeon-breasted'

From: GCIDE
  • Pigeon-breasted \Pi"geon-breast`ed\, a. Having a breast like a pigeon, -- the sternum being so prominent as to constitute a deformity; chicken-breasted. [1913 Webster]