bloom·er /ˈbluːmə $ -ər/ noun 1. bloomers [plural] underwear that women wore in the past, like loose trousers that end at the knees 〔旧时长及膝部的女式〕宽松内裤
2. [countableC]MISTAKE British EnglishBrE old-fashioned an embarrassing mistake that you make in front of other people – used humorously 〔大庭广众前犯的〕错误,差错,洋相〔幽默用法〕 SYN American English blooper