Ascidioidea
Pronunciation : As*cid`i*oid"e*a
Part of Speech : n. pl.
Etymology : [NL., fr. ascidium + -oid. See Ascidium.] (Zo?l.)
Definition : Defn: A group of Tunicata, often shaped like a two-necked bottle. The group includes, social, and compound species. The gill is a netlike structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix.
Source : Webster's Unabridged Dictionary, 1913