planarian

== English == === Etymology === From translingual Planaria (genus) (from Late Latin plānārius (“lying on a plane”), from Latin plānum) +‎ -an. === Pronunciation === (Received Pronunciation) IPA(key): /pləˈnɛə.ɹi.ən/ (General American) IPA(key): /pləˈnɛ.ɹi.ən/ Rhymes: -ɛəɹiən === Noun === planarian (plural planarians) Any of various flatworms of the order Tricladida living in marine, freshwater, or terrestrial environments. ==== Related terms ==== planar ==== Translations ==== === See also === planarian on Wikipedia.Wikipedia Planariidae on Wikispecies.Wikispecies