onanism
英 ['əʊnənɪz(ə)m]
美['onən,ɪzəm]
- n. 性交中断（为防受精而中断性交）；手淫
英英释意
- 1. manual stimulation of the genital organs (of yourself or another) for sexual pleasure
- 2. a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation