Main Entry: la·va

Pronunciation: \ˈlä-və, ˈla-\

Function: noun

Etymology: Italian, ultimately from Latin labes fall; akin to Latin labi to slide — more at sleep

Date: 1759

: molten rock that issues from a volcano or from a fissure in the surface of a planet (as earth) or moon; also : such rock that has cooled and hardened

— la·va·like \-ˌlīk\ adjective