masturbation

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

Self-defilement; onanism.

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

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

Manual stimulation of the genital organs (of yourself or another) for sexual pleasure.