Etymology
Advertisement

Planaria (n.)

flat worm-like animal, 1819, from Modern Latin (1776) noun use of fem. of Late Latin planarius, literally "on level ground" (here used to mean "flat"), from Latin planum, planus "flat, level, even, plain" (from PIE root *pele- (2) "flat; to spread"). Related: Planarian.

updated on July 05, 2020

Advertisement
Advertisement
Definitions of Planaria from WordNet

planaria (n.)
free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts;
Synonyms: planarian
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.