What does bell-bottoms mean?

bell-bottoms meaning in Etymology Dictionary

form of pants, 1882, from bell (letter.) + bottom (letter.). Distinguished inside late sixties from flares by the model of the expanded component (flares directly, bell-bottoms curved).

bell-bottoms meaning in General Dictionary

(used into the plural) pants with legs that flare; worn by sailors; absurdly large hems were fashionable inside 1960s