pederasty

英 ['pedəræstɪ] 美

1. sexual relations between a man and a boy (usually anal intercourse with the boy as a passive partner)

pederasty (n.): "sodomy of a man with a boy," c. 1600, from French pédérastie or directly from Modern Latin pæderastia, from Greek paiderastia "love of boys," from paiderastes "pederast, lover of boys," from pais (genitive paidos) "child, boy" (see pedo-) + erastes "lover," from erasthai "to love" (see Eros).