LATIN DICTIONARYLexicon Latīnum
noun · femininefirst declension

lava

lava f (genitive lavae)
Classical[ˈɫa.wa]Ecclesiastical[ˈlaː.va]

Meaning

  1. New Latinfemininelava

Origins

From Italian, Neapolitan, and Sicilian lava (“lava; downpour overflowing the streets”), likely from lābēs (“a fall; a collapse; subsidence”), from lābī (“to fall; to slip”); compare lābīna (“landslide”).

Quick answers

What does lava mean in Latin?
lava, a noun, means “lava”.
What is the genitive of lava?
The genitive singular is lavae. lava is feminine, first declension.
How do you pronounce lava?
In classical Latin, [ˈɫa.wa]; in ecclesiastical (church) Latin, [ˈlaː.va].