/'nɪkəbɒkəz; `nɪkɚ,bɑkɚz/
(US knickers / 5nIkEz; `nIkAz/) n [pl] (esp formerly) loose wide breeches gathered just below the knee （尤指旧时）灯笼裤.

n [plural]
[Date: 1800-1900; Origin: Diedrich Knickerbocker, name invented by Washington Irving for the supposed writer of his History of New York (1809), who is shown in the book wearing such pants]
short loose trousers that fit tightly at your knees, worn especially in the past