midriff
1. [ noun ] (anatomy) the middle area of the human torso (usually in front)
Synonyms: middle midsection
Examples:

"young American women believe that a bare midriff is fashionable"

Related terms: area torso
2. [ noun ] (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
Synonyms: diaphragm
Related terms: muscular_structure membrane torso anatomy
Similar spelling:   midrib