noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   plural of planarium form-of, plural

   "The flatworms known as planaria have long amazed scientists with their capacity for regeneration."

2. 2
   free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts wordnet

Synonyms

All synonyms

planarianplanarian

Example

More examples

"The flatworms known as planaria have long amazed scientists with their capacity for regeneration."

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