carcerarius
From LSJ
Latin > English (Lewis & Short)
carcĕrārĭus: a, um, adj. id.,
I of or belonging to a prison: quaestus, of keeping a prison, Plaut. Capt. 1, 2, 20.—Hence, subst.: carcĕrārĭus, ii, m., a prisonkeeper, jailer, Inscr. Grut. 80, 5; Don. ad Ter. Phorm. 2, 3, 26; cf. carcer, I. C. b.
Latin > French (Gaffiot 2016)
carcĕrārĭus,¹⁶ a, um, relatif à la prison : Pl. Capt. 129 || carcĕrārĭus, ĭī, m. (carcer),
1 gardien de prison, geôlier : CIL 6, 1057, 7
2 prisonnier : *Don. Phorm. 373 ; Greg. Tur. Franc. 10, 6.