/ Dictionary / Index H horologist: Meaning and Definition of Find definitions for: ho•rol•o•gist Pronunciation: (hô-rol'u-jist, hō-), [key] — n. an expert in horology. a person who makes clocks or watches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: horologist (Thesaurus) horologic horologium Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language