/ Dictionary / Index I interdental: Meaning and Definition of Find definitions for: in•ter•den•tal Pronunciation: (in"tur-den'tl), [key] — adj. between teeth. articulated with the tip of the tongue between the upper and lower front teeth, as the fricatives (&thslash;) and (th) of thy and thigh. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interdenominational interdentil Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language