The definition of barley is a cereal grass that has short leaves and compact flower spikes as well as seeds which are used to make malt drinks, including beer, and food for farm animals.
(noun)Grain that is used to make ale and whiskey is an example of barley.
See barley in Webster's New World College Dictionary
noun
Origin: ME barli < OE bærlic, of barley < bere, barley + -lic ( -ly) < IE base *bhares- > farina, ON barr, grain
See barley in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English barli
Origin: , from Old English bǽrlic; see bhares- in Indo-European roots
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