The Collaborative International Dictionary of English v.0.48:

Cabiri \Ca*bi"ri\ (k[.a]*b[imac]"r[imac]), prop. n. pl. [ NL.,
   fr. Gr. Ka`beiroi.] (Myth.)
   Certain deities originally worshiped with mystical rites by
   the Pelasgians in Lemnos and Samothrace and afterwards
   throughout Greece; -- also called sons of Heph[ae]stus (or
   Vulcan), as being masters of the art of working metals.
   [Written also Cabeiri.] --Liddell & Scott.
   [1913 Webster]