Wordia - The Definition Of Ballast
ballast
noun, any dense heavy material, such as lead or iron pigs, used to stabilize a vessel, esp one that is not carrying cargo
From Collins
©HarperCollins 2008. Collins English Dictionary definition of ballast
noun, any dense heavy material, such as lead or iron pigs, used to stabilize a vessel, esp one that is not carrying cargo
From Collins
©HarperCollins 2008. Collins English Dictionary definition of ballast