Definition of slow-worm noun from the Oxford Advanced Learner's Dictionary

 

slow-worm

 noun
noun
BrE
 
; NAmE
 
(also blindworm)
 
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a small European reptile with no legs, like a snake Word Origin Old English slāwyrm, from slā- (of uncertain origin) + wyrm ‘snake’.
See the Oxford Advanced American Dictionary entry: slow-worm