sea squirt


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Related to sea squirt: Urochordata, Lake Baikal, amphioxus

sea squirt

n.
Any of various solitary or colonial sedentary tunicates of the class Ascidiacea, having a sac-shaped body with two siphons. Also called ascidian.
[From its habit of squirting water when disturbed.]

sea squirt

n
(Animals) any minute primitive marine animal of the class Ascidiacea, most of which are sedentary, having a saclike body with openings through which water enters and leaves. See also ascidian

sea′ squirt`


n.
any of several attached tunicates of the class Ascidiacea, that, on contraction, eject a stream of water.
[1840–50]

sea squirt

Any of various primitive sea animals having a transparent, sac-shaped body with two siphons. Sea squirts pump water through the siphons and filter it with gill-like structures to catch food particles. Sea squirts belong to the group known as tunicates.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sea squirt - ascidian that can contract its body and eject streams of watersea squirt - ascidian that can contract its body and eject streams of water
ascidian - minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves
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