pearl millet

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An annual grass (Pennisetum glaucum) having long dense panicles, first domesticated in Africa for its grains and now grown in Africa and India for food and in North America chiefly as a forage crop.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Pennisetum glaucum

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun tall grass having cattail like spikes; grown in Africa and Asia for its grain and in the United States chiefly for forage; sometimes used in making beer