name, noun, slang ·Uncommon ·College level

Definitions

Noun

1. 1
   An age that is dominated by worms. countable, uncountable
2. 2
   A region that is dominated by worm-life. countable, uncountable

Proper Noun

1. 1
   An ecosystem characteristic of the later Ediacaran, when animal life was dominated by surface-dwelling worms. informal, neologism

Etymology

From worm + world.

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