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ascidian

noun as·cid·i·an \ ə-ˈsi-dē-ən \

Definition of ascidian

: any of a class (Ascidiacea) of solitary or colonial sessile tunicates having an incurrent and excurrent siphon — called also sea squirt

Origin and Etymology of ascidian

New Latin Ascidia, group comprising tunicates, from Ascidium, genus name, from Greek askidion, diminutive of askos wineskin, bladder

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  1. See words that rhyme with ascidian Britannica.com: Encyclopedia article about ascidian

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