Knickers vs. Underpants: What's the Difference?

Knickerbockers.

Underwear covering the genitalia and often buttocks, usually going no higher than the navel.

Women's underpants.

An undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin

A mild exclamation of annoyance.

The name for a style of loose-fitting short trousers, gathered in and ending at the knees; smallclothes; called also knickerbockers.

Underpants, especially of women; panties.

Trousers ending above the knee

(usually in the plural) underpants worn by women;