Definition of applicator noun from the Oxford Advanced Learner's Dictionary

 

applicator

 noun
noun
BrE BrE//ˈæplɪkeɪtə(r)//
 
; NAmE NAmE//ˈæplɪkeɪtər//
 
 
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a small tool that is used to put a substance onto a surface, or to put something into an object Use the applicator to apply cream to the affected area. Word Origin mid 17th cent.: from Latin applicat- ‘fastened to’ (from the verb applicare) + -or.
See the Oxford Advanced American Dictionary entry: applicator