Ballast :: Ballast (a.) Any heavy substance, as stone, iron, etc., put into the hold to sink a vessel in the water to such a depth as to prevent capsizing..
Ballast :: Ballast (a.) Any heavy matter put into the car of a balloon to give it steadiness.
Ballast :: Ballast (a.) Gravel, broken stone, etc., laid in the bed of a railroad to make it firm and solid..
Ballast :: Ballast (a.) The larger solids, as broken stone or gravel, used in making concrete..
Ballast :: Ballast (a.) Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security..
Ballast :: Ballast (v. t.) To steady, as a vessel, by putting heavy substances in the hold..
Ballast :: Ballast (v. t.) To fill in, as the bed of a railroad, with gravel, stone, etc., in order to make it firm and solid..
Ballast :: Ballast (v. t.) To keep steady; to steady, morally..
Ballastage :: Ballastage (n.) A toll paid for the privilege of taking up ballast in a port or harbor.