Source : Webster's Revised Unabridged Dictionary (1913)

Costrel \Cos"trel\ (k?s"tr?l), n. [CF. W. costrel, OF. costrel,
   LL. costrellum, a liquid measure, costrellus a wine cup.]
   A bottle of leather, earthenware, or wood, having ears by
   which it was suspended at the side. [Archaic]

         A youth, that, following with a costrel, bore The means
         of goodly welcome, flesh and wine.       --Tennyson.