Definition of visual aid noun from the Oxford Advanced Learner's Dictionary


visual aid

BrE BrE//ˌvɪʒuəl ˈeɪd//
; NAmE NAmE//ˌvɪʒuəl ˈeɪd//
[usually plural]
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a picture, video, etc. used in teaching to help people to learn or understand something
See the Oxford Advanced American Dictionary entry: visual aid