Meaning of kefir

ke•fir

Pronunciation: (ku-fēr'), [key]
— Middle Eastern Cookery. Middle Eastern Cookery.
  1. a tart-tasting drink originally of the Caucasus, made from cow's or sometimes goat's milk to which the bacteria Streptococcus and Lactobacillus have been added.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.