/ Dictionary / Index W weight belt: Meaning and Definition of Find definitions for: weight' belt" Pronunciation: [key] — Scuba Diving. a belt worn to control a diver's buoyancy under water, on which slotted lead weights can be slipped according to the diver's body size and weight and having a quick-release buckle for emergency discarding. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. weight weight density Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language