Gland - definition of gland by The Free Dictionary
gland 1 (glănd) n. 1. a. Any of various organs or cell groups, such as the adrenal glands and the salivary glands, that are of endothelial origin and secrete a substance that is used or excreted by the body. b. Any of various organs, such as lymph nodes, that resemble true glands but perform a nonsecretory function. 2. Botany An organ or a structure ...