from the GNU version of the Collaborative International Dictionary of English
- adj. a tissue, such as that contained in the penis, which is capable of being greatly dilated and made rigid by accumulation of blood in and the consequent distension of the numerous blood vessels which it contains.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. vascular tissue capable of filling with blood and becoming rigid
Sorry, no etymologies found.