A guard-ring to keep sand from working into the axle-box.

a passerine bird of the antbird family, Sakesphorus melanothorax.

A type of toy constructed of light wood, a plastic propeller and a rubber band, propelled by repeatedly winding the propeller backwards and then releasing it into the air.

plural of rubber band airplane

A musician who plays several musical instruments at once. / (idiomatic, by extension) An organisation or business that is effectively run by only one person.

plural of band-aid solution

A temporary solution.

(radio) A publicly available system of short-distance radio communications, usable by individuals or businesses without a license.

(nautical) An impromptu musical band on late 19th-century sailing vessels, made up of members of the ship's crew.

A knee injury caused by friction between the iliotibial band and the lateral femoral epicondyle.