Of or pertaining to a style of pants in which the end of each pantleg flares out dramatically from the knee downward, like the mouth of a bell.

Having a flat bottom.

Having a butt that is not clothed. / (informal, by extension) Naked, starkers. / (by extension) Blatant, unashamed. / (of objects) Having an uncovered base or seat.

Alternative spelling of flat-bottomed

simple past tense and past participle of bottom the house

Of a chair, having a seat of woven cane or with cushioning of straw. / Of a bottle, having a straw covering around the base, as traditional Chianti bottles.

simple past tense and past participle of bottom out

bell-bottom trousers

(chemistry) A glass flask used in a laboratory for holding chemical liquids and solutions, which has a spherical shape for uniform heating, and one or more long cylindrical necks.

plural of round-bottomed flask