Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Hair & beautynailbrushnail‧brush /ˈneɪlbrʌʃ/ noun [countable] DCBa small stiff brush for cleaning your fingernailsExamples from the Corpusnailbrush• He spent five minutes cleaning his nails with a nailbrush. ldoceonline.com