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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use weight belt in a sentence
The frogman who had lost his mask suddenly threw off tanks and weight belt and sped for the surface.
He took the end of rope that Zircon held out and snapped it to his weight belt.
Each boy took one of the units and fastened it to his weight belt.