/ˈwi:knaɪt ||; ˈwikˌnaɪt/noun [C] any night of the week except Saturday, Sunday and sometimes Friday night 周日夜晚﹙除星期六和星期日以外的任何夜晚，有时周五晚也除外﹚: I have to stay in on weeknights. 除了星期六和星期日外我每天夜里都得呆在家里。