/ Dictionary / Index G graticule: Meaning and Definition of Find definitions for: grat•i•cule Pronunciation: (grat'i-kyl"), [key] — n. a network of parallels and meridians on a map or chart. a reticle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: graticule (Thesaurus) Gratian gratification Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language