wheat germ

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

• noun The vitamin-rich embryos of wheat kernels, separated during milling and used as a food supplement, as animal feed, and as a source of oil.

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

• noun embryo or nucleus of the wheat kernel.

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

• noun embryo of the wheat kernel; removed before milling and eaten as a source of vitamins