Cruet
Cruet (kru"et) , noun
[Anglo-French cruet, a dim. from Old French crue, cruie; of German or Celtic origin, and akin to English crock an earthen vessel.]
1.
A bottle or vessel; esp., a vial or small glass bottle for holding vinegar, oil, pepper, or the like, for the table; a caster. — Swift
2.
(Ecclesiastical) A vessel used to hold wine, oil, or water for the service of the altar.