Ringent
Pronunciation : Rin"gent
Part of Speech : a.
Etymology : [L. ringens, -entis, p. pr. of ringi to open wide the mouth: cf. F. ringent.] (Bot.)
Definition : Defn: Having the lips widely separated and gaping like an open mouth; as a ringent bilabiate corolla.
Source : Webster's Unabridged Dictionary, 1913