from the GNU version of the Collaborative International Dictionary of English
- n. See under Hydraulic.
- adj. a cement or mortar made of hydraulic lime, which will harden under water.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a cement that hardens under water; made by heating limestone and clay in a kiln and pulverizing the result
Sorry, no etymologies found.