/ Dictionary / Index A allergic rhinitis: Meaning and Definition of Find definitions for: aller'gic rhini'tis Pronunciation: [key] — Pathol. Pathol. a condition characterized by head congestion, sneezing, tearing, and swelling of the nasal mucous membranes, caused by an allergic reaction. Cf. hay fever. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. allergic allergist Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language