[syn: coitus interruptus, withdrawal method, withdrawal, pulling out, onanism]
The Collaborative International Dictionary of English v.0.48:
Onanism \O"nan*ism\, n. [Onan (--Gen. xxxviii. 9): cf. F.
onanisme.]
Self-pollution; masturbation.
[1913 Webster]
WordNet (r) 3.0 (2006):
onanism
n 1: manual stimulation of the genital organs (of yourself or
another) for sexual pleasure [syn: masturbation,
onanism]
2: a method of birth control in which coitus is initiated but
the penis is deliberately withdrawn before ejaculation [syn:
coitus interruptus, withdrawal method, withdrawal,
pulling out, onanism]