From Longman Dictionary of Contemporary Englishknickerbockersknick‧er‧bock‧ers /ˈnɪkəˌbɒkəz $ ˈnɪkərˌbɑːkərz/ noun [plural] DCCshort loose trousers that fit tightly at your knees, worn especially in the pastOrigin knickerbockers (1800-1900) 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
