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

 

speculum

 noun
noun
BrE BrE//ˈspekjələm//
 
; NAmE NAmE//ˈspekjələm//
 
(medical) Medical equipment
 
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a metal instrument that is used to make a hole or tube in the body wider so it can be examined See related entries: Medical equipment Word Origin late Middle English: from Latin, literally ‘mirror’, from specere ‘to look’.
See the Oxford Advanced American Dictionary entry: speculum