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Definition of merlin
merlin
/ˈmɜːr.lɪn/
mer · lin
Plural:merlins
merlin Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
merlin Game Scores & Validity
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• noun
1
A legendary figure best known as an enchanter, prophet, and adviser to King Arthur in medieval British folklore.
Example
"In many versions of the Arthurian legend, Merlin is responsible for orchestrating the placement of the sword in the stone."
2
A small, fast-flying falcon (Falco columbarius) native to the Northern Hemisphere, traditionally favored by noblewomen in medieval falconry.
Example
"As we walked along the coastal cliffs, a merlin suddenly darted out to snatch a smaller bird from mid-air."
Synonyms
View all synonyms for merlin• Rhymes for merlin
Word Origin & Etymology
The bird's name derives from Anglo-Norman 'merilun', tracing back to Old French 'esmerillon'. The legendary wizard's name originates from the Welsh 'Myrddin', which was Latinized as 'Merlinus' by Geoffrey of Monmouth in the 12th century.
Cite this Entry
Wordmom. (2026). Definition of Merlin. In Wordmom Dictionary. Retrieved Oct 11, 2026, from https://wordmom.com/dictionary/merlin