ˈsiphonated,a.Zool. [f.prec. + -ed1 2.] = siphonate a. 1851Woodward Mollusca i. 13 Most of the siphonated univalves are animal-feeders.1863Lyell Antiq. Man xxii. 442 A greater number in the lower division, that of entire-mouthed univalves, than in that of the siphonated.