midriff

1. (anatomy) The middle section of the human torso, from below the chest to above the waist; the abdomen and its back part.Examples: "Near-synonym: midsection"; "I stuck it out for about an hour and then, apprised by a hollow feeling in the midriff that the dinner hour was approaching, laid a course for home."; "But by Season 3, she said her patience had fizzled like bad Champagne after Emily grossly mispronounced “bien sûr” (“of course!”), flashed her midriff at the office and mistook George Sand, the French romantic writer, as a man."