[ mas-ter-beyt ]
/ ˈmæs tərˌbeɪt /

verb (used without object), mas·tur·bat·ed, mas·tur·bat·ing.

to engage in masturbation.

verb (used with object), mas·tur·bat·ed, mas·tur·bat·ing.

to practice masturbation upon.

Origin of masturbate

1855–60; < Latin masturbātus, past participle of masturbārī to engage in masturbation
Related formsmas·tur·ba·tor, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for masturbate


/ (ˈmæstəˌbeɪt) /


to stimulate the genital organs of (oneself or another) to achieve sexual pleasure
Derived Formsmasturbation, nounmasturbator, noun

Word Origin for masturbate

C19: from Latin masturbārī, of unknown origin; formerly thought to be derived from manus hand + stuprāre to defile
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 masturbate



1839, back-formation from masturbation, or else from Latin masturbatus, past participle of masturbari. Related: Masturbated; masturbating.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for masturbate


[ măstər-bāt′ ]


To perform an act of masturbation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.