First Known Use: 1855
Dictionary
planaria
noun pla·nar·ia \plə-ˈner-ē-ə\
plural pla·nar·ia also pla·nar·ias
Definition of PLANARIA
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Origin of PLANARIA
New Latin, from feminine of Late Latin planarius lying on a plane, from Latin planum plane
Medical Dictionary
planaria
noun pla·nar·ia \plə-ˈnar-ē-ə, -ˈner-\
Medical Definition of PLANARIA
1
capitalized : the type genus of the family Planariidae comprising planarian worms having two eyes
2
: any worm of the genus Planaria; broadly : planarian
Seen & Heard
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