Breadcrumb Home > Dictionary > Index L loch: Meaning and Definition of Find definitions for: loch Pronunciation: (lok, lokh), [key] — n. Scot. a lake. a partially landlocked or protected bay; a narrow arm of the sea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: loch (Thesaurus) loc. cit Lochaber ax ✖ Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language