Define Ballast

ballast. Any weight placed in a ship's hold, or other special compartment, to increase stability or reduce motion. Weight used in a hot air balloon to control altitude.

To find the abbreviation, acronym, or term you’re looking for, use the Search box (below) or click on any letter (above).

Become A Home-Based Travel Agent

Join the home-based travel revolution. A complete home study course with a no-risk guarantee. Click here.