Gimbals.—A contrivance consisting of two or more metal hoops balanced on pivots, so that a compass or lamp swung within the gimbals will not oscillate, but preserve a vertical position.

Grapnel.—A small anchor having more than two arms.

Ground Tackle.—The tackle—anchor, cables, and springs—used in anchoring a vessel.

Guy.—A rope attached to anything to steady it and prevent its moving. Thus a spinnaker boom has its fore and after guys, and a mainboom is guyed to prevent its swinging aft.

Hawse-hole.—The hole in the bows through which the chain runs.

Hawser.—A large rope used for warping, etc.

Helm down.—When the helm is put over in the direction towards which the wind is blowing.

Helm up.—When the helm is put over in the direction the wind is blowing from.

Hounds.—The wooden shoulders at the masthead on which the eyes of the shrouds rest.

House.—To house a topmast is to lower it.