/ Dictionary / Index D Dumpster: Meaning and Definition of Find definitions for: Dump•ster Pronunciation: (dump'stur), [key] — Trademark. Trademark. a brand of large metal bin for refuse designed to be hoisted onto a specially equipped truck for emptying or hauling away. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dumpster (Thesaurus) dumpsite dump truck Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language