/ Dictionary / Index A agar: Meaning and Definition of Find definitions for: a•gar Pronunciation: (ä'gär, ag'ur), [key] — n. Also calleda gelatinlike product of certain seaweeds, used for solidifying certain culture media, as a thickening agent for ice cream and other foods, as a substitute for gelatin, in adhesives, as an emulsifier, etc. a culture medium having an agar base. A•gar Pronunciation: (ā'gär), [key] — n. Douay Bible. Hagar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: agar (Thesaurus) Agapetus II agaric Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language