plural of balla

A surname.

(gemology, mineralogy) A variety of non-gem-grade diamond.

(slang, nonstandard) Alternative form of baller (all senses except "person who divides molten metal")

A village in County Mayo, Ireland.

(nautical) Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability. / (figuratively) Anything that steadies emotion or the mind.

To stabilize or load a ship with ballast. / To lay ballast on the bed of a railroad track. / To weigh down with a ballast.

One of several external or internal tanks fitted in submarines; when filled with seawater they allow the boat to submerge; when emptied using compressed air buoyancy is restored and the vessel rises towards the surface. Auxiliary ballast tanks within the pressure hull allow the submarine to be trimmed.

simple past tense and past participle of ballast

plural of ballast tank