Definition of pederasty in US English:

pederasty

noun

  • Sexual activity involving a man and a boy.

Origin

Early 17th century: from modern Latin paederastia, from Greek paiderastia, from pais, paid- ‘boy’ + erastēs ‘lover’.

Pronunciation

pederasty

/ˈpɛdəˌræsti//ˈpedəˌrastē/