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fellatio

[fuh-ley-shee-oh, -lah-tee-oh, fe-]
noun
  1. oral stimulation of the penis, especially to orgasm.
Also fel·la·tion [fuh-ley-shuh n, fe-] /fəˈleɪ ʃən, fɛ-/.

Origin of fellatio

1885–90; < New Latin fellātiō, equivalent to Latin fel(l)āt(us) (past participle of fel(l)āre to suck) + -iō -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for fellation

fellatio

fellation

noun
  1. a sexual activity in which the penis is stimulated by the partner's mouthCompare cunnilingus
Derived Formsfellator, nounfellatrix, fem n

Word Origin for fellatio

C19: New Latin, from Latin fellāre to suck
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for fellation
n.

1888, from fellatio + -ion.

fellatio

n.

1887, from Latin fellatus, past participle of fellare "to suck," from PIE root *dhe(i)- (see fecund). The sexual partner performing fellatio is a fellator; if female, a fellatrice or fellatrix.

Online Etymology Dictionary, © 2010 Douglas Harper
fellation in Medicine

fellatio

[fə-lā′shē-ō′]
n.
  1. Oral stimulation of the penis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.