/ Dictionary / Index H hectometer: Meaning and Definition of Find definitions for: hec•to•me•ter Pronunciation: (hek'tu-mē"tur), [key] — n. a unit of length equal to 100 meters, or 328.08 feet. Abbr.: hm Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hectometer (Thesaurus) hectoliter Hector Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language