lavafall means A cascade of lava down a slope or cliff. Lexicurio rates it Rare gem — a strength score of 83 out of 100.
Etymology
From lava + fall on the pattern of waterfall.
noun
- A cascade of lava down a slope or cliff.“They may flow down river beds with velocities approaching those of the rivers; where there are sharp irregularities, the lavas plunge over them in lavafalls.”