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

 

goblin

 noun
noun
BrE BrE//ˈɡɒblɪn//
 
; NAmE NAmE//ˈɡɑːblɪn//
 
 
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(in stories) a small ugly creature that likes to trick people or cause trouble Word Origin Middle English: from Old French gobelin, possibly related to German Kobold or to Greek kobalos ‘mischievous goblin’. In medieval Latin Gobelinus occurs as the name of a mischievous spirit, said to haunt Évreux in northern France in the 12th cent.
See the Oxford Advanced American Dictionary entry: goblin