n. Manual erotic stimulation of the genitals or other erotic regions, often to orgasm, either by oneself or a partner.
the GNU version of the Collaborative International Dictionary of English
n. The act of masturbating; sexual self-gratification; onanism.
The Century Dictionary and Cyclopedia
n. Self-defilement; onanism.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. manual stimulation of the genital organs (of yourself or another) for sexual pleasure
Word Usage
"On the eve of the moratorium, TNT had to apologize when, on its NBA pregame show, actor Tracy Morgan used Palin's name in the same sentence with the word "masturbation.""