APPLICATOR Meaning of APPLICATOR in English ap ‧ pli ‧ ca ‧ tor /ˈæplɪkeɪtə $ -ər/ BrE AmE noun [countable] a special brush or tool used to spread a cream, liquid, medicine etc onto a surface Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012