pillow lava

1. 1.

   lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions

   Broaderlava

Questions about pillow lava

What does pillow lava mean?

pillow lava means "lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions".

Is pillow lava a common word?

pillow lava is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.