- 1. [n, adj-no] pigeon chest (deformity of the chest, protruding ribs and sternum); pigeon breast; pectus carinatum
- 2. [n] woman with big breasts (col)
- 3. [n] iron armor with protruding chest
- 4. [n] curved front portion of a stirrup
- 5. [n] curve at the base of a shamisen neck