Any of several plant proteins that bind to specific carbohydrate groups on proteins or on cell membranes and are used in the laboratory to isolate glycoproteins, to stimulate proliferation of lymphocytes, and to agglutinate red blood cells.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.