I. əˈsidēə, aˈ- noun
Usage: capitalized
Etymology: New Latin, from Greek askidion little wineskin + New Latin -ia — more at ascidium
: a genus of simple ascidians now restricted to a few typical species or replaced by Phallusia but formerly including all the simple Ascidiacea
II.
Etymology: New Latin, from Greek askidia, plural of askidion
synonym of urochorda