lava: Meaning and Definition of
la•va
Pronunciation: (lä'vu, lav'u), [key] — n.
- the molten, fluid rock that issues from a volcano or volcanic vent.
- the rock formed when this solidifies, occurring in many varieties differing greatly in structure and constitution.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.