D defs.my
Entry 2 senses Webster, 1913

knickers

/nĭkʹərz/ · knick·ers · IPA /ˈnɪkɚz/
01 n. pl. The name for a style of loose-fitting short trousers, gathered in and ending at the knees; smallclothes; called also knickerbockers.
  1. 1.
    The name for a style of loose-fitting short trousers, gathered in and ending at the knees; smallclothes; called also knickerbockers. Also: knickerbockers
  2. 2.
    Underpants, especially of women; panties.[British]