Midriff

Your top does not provide enough midriff coverage, young lady.

I've been on a diet for four months, but my midriff bulge hasn't budged.

A shirt cropped above the waist is only for those with a chiseled midriff or an insouciance for the aesthetic opinion of others.

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.