siphonata /saɪfəʊ'nɑ:tə/ 📖 中文释义 管形部 📘 English Definition(英文释义) n. pl. A tribe of bivalve mollusks in which the posteriormantle border is prolonged into two tubes or siphons. Called alsoSiphoniata. See Siphon, 2 (a), and Quahaug. ← siphonapterology S 字母词表 siphonate →