Cus"tos (k?s"t?s), n.; pl. Custodes (ks-t"dz). [L.]
A keeper; a custodian; a superintendent.
Custos rotulorum (rt`-l"rm) [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.
© Webster 1913.