n. 鸡奸

[医] 男色

[ noun ]
sexual relations between a man and a boy (usually anal intercourse with the boy as a passive partner)
<noun.act>

Pederasty \Ped"er*as`ty\, n. [Gr. paiderasti`a: cf. F.
p['e]d['e]rastie.]
The crime against nature; sodomy.