the GNU version of the Collaborative International Dictionary of English
n. The breast of a bird.
The Century Dictionary and Cyclopedia
n. The breast.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates
Word Usage
"Technically known as pectus carinatum, the condition causes the chest wall to protrude outward, giving the patient's chest the appearance of the breast of a bird."