'Breast-deep' definitions:

Definition of 'breast-deep'

(from WordNet)
adverb
Up to the breast; "we were standing breast-high in the water" [syn: breast-deep, breast-high]

Definition of 'Breast-deep'

From: GCIDE
  • Breast-deep \Breast"-deep`\ (br[e^]st"d[=e]p`), a. Deep as from the breast to the feet; as high as the breast. [1913 Webster]
  • Set him breast-deep in earth, and famish him. --Shak. [1913 Webster]