ALL meanings of ascidian
as·cid·i·an
A a - noun ascidian any minute marine invertebrate animal of the class Ascidiacea, such as the sea squirt, the adults of which are degenerate and sedentary: subphylum Tunicata (tunicates) 3
- adjective ascidian of, relating to, or belonging to the Ascidiacea 3
- noun ascidian any of a class (Ascidiacea) of fixed tunicates; sea squirt 3
- noun ascidian any solitary or colonial tunicate of the class Ascidiacea, exhibiting in the larval stage the vertebrate characteristics of a notocord and hollow nerve cord. 1
- adjective ascidian belonging or pertaining to the class Ascidiacea. 1
- noun ascidian A sea squirt. 1
- noun ascidian Any member of the class Ascidiacea (the sea squirts). 0