Definition of endosperm
: a nutritive tissue in seed plants formed within the embryo sac by division of the endosperm nucleus
Recent Examples of endosperm from the Web
Remaining is the starchy endosperm that provides a finer texture and extended shelf life.
Then came the efficient steel roller mill with spinning cylinders that discarded the germ and bran to yield a practically unspoilable flour composed solely of the white endosperm — aka white flour.
All three of wheat's main components were ground together: the fiber-rich bran, the flavorful germ and the starchy endosperm.
Orchid seeds lack the starchy endosperm that helps to feed the new sprouts of many other types of plants.
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Learn More about endosperm
Britannica.com: Encyclopedia article about endosperm
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