Definition of pederasty in English:
pederasty
(British paederasty)
noun ˈpɛdərastiˈpɛdəˌræsti
mass nounSexual activity involving a man and a boy.
（男子和男童之间的）鸡奸
Origin
Early 17th century: from modern Latin paederastia, from Greek paiderastia, from pais, paid- 'boy' + erastēs 'lover'.
Definition of pederasty in US English:
pederasty
(British paederasty)
nounˈpedəˌrastēˈpɛdəˌræsti
Sexual activity involving a man and a boy.
（男子和男童之间的）鸡奸
Origin
Early 17th century: from modern Latin paederastia, from Greek paiderastia, from pais, paid- ‘boy’ + erastēs ‘lover’.