pelicatus

pēlĭcātus ( pelli-, paeli- ), ūs, m. [paelex], the cohabiting with a kept mistress, concubinage:

ab ea est propter pelicatus suspitionem interfectus,

Cic. Off. 2, 7, 25: Arinis uxorem pelicatus dolore concitatam, id. Scaur, 6, 9, B. and K. (Fragm. ap. Prisc. p. 689 P.):

matris,

id. Clu. 5, 13; Just. 7, 4, 7; Vulg. Lev. 18, 18.