† plagiodontadj. [compare scientific Latin Plagiodontia (F. Cuvier 1836), genus name of a rodent] ZoologyObsoleterare having or designating teeth set obliquely or in converging lines.Apparently only attested in dictionaries or glossaries.
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1890 Cent. Dict.Plagiodont, having the teeth oblique: noting the dentition of serpents whose teeth are like one another, those of the palate being set in two converging series.