1 example sentence using ascidian.
Ascidian used in a sentence
Ascidian in a sentence as a noun
One of the stellate or irregular clusters of intimately united zooids which are imbedded in, or scattered over, the surface of the common tissue of many compound ascidians. [1913 Webster] {Block system}, {Conservative system}, etc.
Ascidian definitions
noun
minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves