vasum
Va"sum, n. Etym: [L., a vase. See Vase.] (Zoöl.) Defn: A genus including several species of large marine gastropods having massive pyriform shells, with conspicuous folds on the columella.
Va"sum, n. Etym: [L., a vase. See Vase.] (Zoöl.) Defn: A genus including several species of large marine gastropods having massive pyriform shells, with conspicuous folds on the columella.