Breadcrumb Home > Dictionary > Index G gating: Meaning and Definition of Find definitions for: gat•ing Pronunciation: (gā'ting), [key] — n. Cell Biol. the process by which a channel in a cell membrane opens or closes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gating (Thesaurus) Gatineau Gatlinburg ✖ Related Content Daily Word Quiz: rocrustean Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language