func·​tor ˈfəŋ(k)-tər How to pronounce functor (audio)
: something that performs a function or an operation

Word History

First Known Use

1935, in the meaning defined above

Time Traveler
The first known use of functor was in 1935

Dictionary Entries Near functor

Cite this Entry

“Functor.” Dictionary, Merriam-Webster, Accessed 18 May. 2024.

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