/ Dictionary / Index R reticular: Meaning and Definition of Find definitions for: re•tic•u•lar Pronunciation: (ri-tik'yu-lur), [key] — adj. having the form of a net; netlike. intricate or entangled. of or pertaining to a reticulum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reticular (Thesaurus) reticle reticular formation Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language