planarian

play
noun pla·nar·i·an \plə-ˈner-ē-ən\

Definition of planarian

  1. :  triclad; especially :  any of various dark-colored freshwater triclad flatworms (family Planariidae) with two eyespots and a triangular head

Origin and Etymology of planarian

New Latin Planaria


Medical Dictionary

planarian

play
noun pla·nar·i·an \-ē-ən\

Medical Definition of planarian

  1. :  any of the family Planariidae or order Tricladida comprising small soft-bodied ciliated mostly aquatic turbellarian worms

planarian

adjective

Learn More about planarian


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

sad or melancholy

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!