noun. A genus of plants belonging to the natural order Gramineæ, and the type of the tribe Hordeeæ, characterized by having the spikelets 1-flowered, 3 at each joint, but the 2 lateral usually sterile.

noun. annual to perennial grasses of temperate northern hemisphere and South America: barley

"The Latin word for barley, hordeum, became the French orge; orge mondé, meaning hulled barley, became orgemonde and in the 16th century orgeat."

liliopsid genus  monocot genus  

Hordeum