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



BrE BrE//ˈbiːtl//
; NAmE NAmE//ˈbiːtl//
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an insect, often large and black, with a hard case on its back, covering its wings. There are several types of beetle. a black beetle a dung beetle see also death-watch beetle See related entries: Invertebrates Word Origin Old English bitula, bitela ‘biter’, from the base of bītan ‘to bite’.
See the Oxford Advanced American Dictionary entry: beetle