fellatio

noun

fel·la·tio fə-ˈlā-shē-ˌō

fe-

variants or less commonly fellation

fə-ˈlā-shən

fe-

: oral stimulation of the penis

Word History

Etymology

New Latin fellation-, fellatio, from Latin felare, fellare, literally, to suck — more at feminine

First Known Use

1877, in the meaning defined above

Time Traveler

The first known use of fellatio was in 1877

See more words from the same year

Cite this Entry

Style

“Fellatio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/fellatio. Accessed 23 Apr. 2026.

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Medical Definition

fellatio

noun

fel·la·tio fə-ˈlā-shē-ˌō

fe-

-ˈlät-ē-

variants also fellation

-ˈlā-shən

plural fellatios also fellations

: oral stimulation of the penis

fellatory

ˈfel-ə-ˌtȯr-ē

adjective

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fellatio

noun

Word History

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