\Cus"tos\ (k[u^]s"t[o^]s), n.; pl. {Custodes}
(k[u^]s*t[=o]"d[=e]z). [L.]
A keeper; a custodian; a superintendent. [Obs.]
{Custos rotulorum} (r[o^]t`[-u]*l[=o]"r[u^]m) [LL., keeper of
   the rolls] (Eng. Law), the principal justice of the peace
   in a county, who is also keeper of the rolls and records
   of the sessions of the peace.