: a cereal grass (genus Hordeum and especially H. vulgare) having the flowers in dense spikes with long awns and three spikelets at each joint of the rachis
also
: its seed used especially in malt beverages, breakfast foods, and stock feeds
variants
or less commonly barley
: anthracite coal of a small size : number 3 buckwheat coal
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Merriam-Webster unabridged



