bidental adjective 2noun 2forms 1 adjective2 •Having only two teeth. •articulated with both the upper and lower teeth.The convention for transcribing bidental fricatives, suggested in the expIPA chart, uses the appropriate glottal fricative symbol with a dental diacritic both above and below the symbol. — 2013 noun2 •An organism that has only two teeth, especially a dinosaur of the infraorder Dicynodontia.That these Bidentals, as Mr. Owen more comprehensively calls them, are amongst the earliest reptiles, has been somewhat rashly assumed. — 1851 •(historical) In Ancient Rome, a place that had been struck by lightning and consecrated and enclosed.The bidental is one of the more problematic structures of the colony and no consensus has yet emerged as to its date. — 2006 formsbidentals
