n. 有耳状吊环的皮制盛水器

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.