from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Excitation of one's own or another's genital organs, usually to orgasm, by manual contact or means other than sexual intercourse.

from The Century Dictionary.

  • noun Self-defilement; onanism.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of masturbating; sexual self-gratification; onanism.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Manual erotic stimulation of the genitals or other erotic regions, often to orgasm, either by oneself or a partner.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun manual stimulation of the genital organs (of yourself or another) for sexual pleasure


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle French masturbation, from Latin verb masturbor, conjectured to have originated from a contraction of manus ("hand") and turbō ("disturb, throw into confusion").


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