S / sphinthrĭa
noun

sphinthrĭa

gen. sphinthriae · gender masculine · decl. 1st
or , , from σφιγκτήρ, the contractile muscle of the anus
a male prostitute
a male prostitute, Tac. A. 6, 1; Suet. Tib. 43; id. Calig. 16; id. Vit. 3 fin.; cf. Aus. Epigr. 119.