D defs.my
Entry 1 sense Webster, 1913

Ascidian

· As·cid·i·an · IPA /əˈsɪdi.ən/
01 n. One of the Ascidioidea, or in a more general sense, one of the Tunicata. Also as an adj.
  1. 1.
    One of the Ascidioidea, or in a more general sense, one of the Tunicata. Also as an adj.(Zool.)