Word Study
custos
CIDE DICTIONARY
custos, n. [L.].
A keeper; a custodian; a superintendent. [1913 Webster]
ROGET THESAURUS
custos
Keeper
N keeper, custodian, custos, ranger, warder, jailer, gaoler, turnkey, castellan, guard, watchdog, watchman, Charley, chokidar, durwan, hayward, sentry, sentinel, watch and ward, concierge, coast guard, guarda costa, game keeper, escort, bodyguard, protector, governor, duenna, guardian, governess, nurse, nanny, babysitter, catsitter, dogsitter, bonne, ayah.For further exploring for "custos" in Webster Dictionary Online