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

 

toothbrush

 noun
noun
BrE BrE//ˈtuːθbrʌʃ//
 
; NAmE NAmE//ˈtuːθbrʌʃ//
 
 
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a small brush for cleaning your teeth
See the Oxford Advanced American Dictionary entry: toothbrush