Hypertext Webster Gateway: "breastbone"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Breastbone \Breast"bone`\ (br[e^]st"b[=o]n`), n.
The bone of the breast; the sternum.
From WordNet (r) 1.7 (wn)
breastbone
n : the flat bone that articulates with the clavicles and the
first seven pairs of ribs [syn: {sternum}]
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