Siphonata
Pronunciation : Si`pho*na"ta
Part of Speech : n.
Etymology : [NL.] (Zo?l.)
Definition : Defn: A tribe of bivalve mollusks in which the posterior mantle border is prolonged into two tubes or siphons. Called also Siphoniata. See Siphon, 2 (a), and Quahaug.
pl.
Source : Webster's Unabridged Dictionary, 1913