| 1. | a forked bone, formed by the fusion of the two clavicles, in front of the breastbone in most birds; furcula. |
| 2. | Football. an offensive formation in which the fullback is positioned directly behind the quarterback and the two halfbacks are positioned farther behind and to the left and right, respectively. |
| wishbone (wĭsh'bōn') Pronunciation Key
The forked bone in front of the breastbone in most birds, consisting of the two collarbones partly fused together. It serves as a spring, capturing some of the energy during the downward stroke of the wings for release on the upward stroke. |