alcyonacea

from WordNet (r) 3.0 (2006)

Alcyonacea
    n 1: comprising the soft corals [syn: {Alcyonacea}, {suborder
         Alcyonacea}]

from The Collaborative International Dictionary of English v.0.48

Alcyonacea \Al`cy*o*na"ce*a\, n. pl. [NL.] (Zool.)
   A group of soft-bodied {Alcyonaria}, of which {Alcyonium} is
   the type. See Illust. under {Alcyonaria}.
   [1913 Webster]