Sa·crāʹri·ūm, n.

noun

n. [Lat., from sacer, sacred; Fr. sacraire, Pr. sacrari, Sp. sagrario, Pg. & It. sacrario.]

  1. A sort of family chapel in the houses of the Romans, devoted to some particular divinity. Elmes.
  2. The adytum of a temple. Gwill.