wish·bone 
(wĭshbōn′)
(wĭshbōn′)n.
1. The forked bone anterior to the breastbone of most birds, formed by the fusion of the clavicles.
2. Football An offensive formation in which the halfbacks are positioned behind and to the left and right of the fullback.
[From the superstition that when two people pull the bone apart a wish will be fulfilled for the person who retains the longer piece.]
- interferometric
- interferometrically
- interferometry
- interferon
- interferon alpha
- interferon beta
- interferon gamma
- interfertile
- interfertility
- interfluve
- interfluvial
- intergalactic
- intergalactically
- intergenerational
- intergeneric
- intergenic
- interglacial
- intergovernmental
- intergovernmentally
- intergradation
- intergrade
- intergroup
- intergrowth
- interim
- interionic