Meanings
noun
- pluralplural of planarium
The flatworms known as planaria have long amazed scientists with their capacity for regeneration.
2007 December 11, Henry Fountain, “The Gene That Tells Planaria Worms Which End Is Up”, in New York Times
Synonyms & antonyms
nounfree-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
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Synonym sets from Open English WordNet, CC BY 4.0.
Rhymes & wordplay
Anagrams
Cite this entry
APA
planaria. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/planaria
MLA
“planaria.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/planaria. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “planaria,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/planaria.
Source: planaria on Wiktionary, CC BY-SA 4.0.