Geoplana

noun Ge·o·plana \ˌjēōˈplānə, -lanə, -länə\

Definition of Geoplana

  1. :  a large genus (the type of the family Geoplanidae) of chiefly tropical terrestrial triclad turbellarian worms having a marginal band of eyes about the body

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of geoplana

New Latin, from ge- + Latin plana, feminine of planus flat, level — more at floor


Seen and Heard

What made you want to look up Geoplana? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to cast off or become cast off

Get Word of the Day daily email!