breastbonebreastbone /ˈbrɛstboʊn/ noun [countable] 
science, biology the long flat bone in the front of your chest to which the top seven pairs of ribs are connected
science, biology the long flat bone in the front of your chest to which the top seven pairs of ribs are connected- easiness
- east
- East Asian Tigers, the
- East bloc
- eastbound
- East Coast
- Easter
- Easter Bunny
- Easter egg
- Easter Island
- easterly
- Eastern
- eastern
- Eastern Daylight Time
- Easterner
- Eastern Europe
- easternmost
- Eastern Orthodox Church, the
- Eastern Standard Time
- Eastern Star, Order of the
- Eastern Time
- East Indies, the
- Eastman, George
- East River, the
- eastward