masturbation

[ mas-ter-bey-shuh n ]
/ ˌmæs tərˈbeɪ ʃən /

noun

the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
the stimulation, by manual or other means exclusive of coitus, of another's genitals, especially to orgasm.

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Origin of masturbation

First recorded in 1760–70; masturbate + -ion

OTHER WORDS FROM masturbation

mas·tur·ba·tion·al, adjectivemas·tur·ba·to·ry [mas-ter-buh-tawr-ee, -tohr-ee] /ˈmæs tər bəˌtɔr i, -ˌtoʊr i/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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Medical definitions for masturbation

masturbation
[ măs′tər-bāshən ]

n.

Excitation of one's own or another's genital organs, usually to orgasm, by manual contact or means other than sexual intercourse.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.