from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A malignant tumor arising from vascular tissue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any malignant tumour of vascular tissue
from The Century Dictionary and Cyclopedia
- n. A sarcoma, or tumor, in which the blood-vessels assume importance from their number, size, and relation to the structure of the tumor.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels
angio- + sarcoma (Wiktionary)