/ Dictionary / Index H hundredweight: Meaning and Definition of Find definitions for: hun•dred•weight Pronunciation: (hun'drid-wāt"), [key] — pl. -weights, -weight. Also calleda unit of avoirdupois weight commonly equivalent to 100 pounds (45.359 kilograms) in the U.S. Abbr.: cwt cental (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hundredweight (Thesaurus) hundredth Hundred Years' War Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language