plural of bone marrow

(nautical) A vertical partition dividing the hull into separate compartments; often made watertight to prevent excessive flooding if the ship's hull is breached.

(of eggs) Bad, rotten; inviable, containing a dead embryo. / Confused; mixed up. / (obsolete) Morbid, corrupt, putrid, or barren.

simple past tense and past participle of bottom the house