Lavacicle

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A geological formation consisting of a quantity of lava that dripped from the roof of a cave as it cooled and hardened, leaving a rounded protrusion.

Etymology

Blend of lava + icicle.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.