n. Any of several forms of carcinoma that originate in glandular tissue.
The Century Dictionary and Cyclopedia
n. A tumor which deviates from the true gland-structure characterizing the adenomata, but which does not differ from it as much as a typical carcinoma. See adenoma.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. malignant tumor originating in glandular epithelium
Word Usage
"Exocrine tumors are the majority of pancreatic cancers, and the most common form is called adenocarcinoma, which begin in gland cells, usually in the ducts of the pancreas."