Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pillow_lava

1 sense of pillow lava

Sense 1
pillow lava -- (lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions)
       => lava -- (rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface)