fellatio

[fuh-ley-shee-oh, -lah-tee-oh, fe-]
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 fellatio's

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 fellatio's

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

fellatio's in Medicine

fellatio

[fə-lāshē-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.