To make a rope fast by turns round a pin or coil, without hitching or seizing it.

Vertical distance from the keel to the uppermost deck, taken inside the ship/s plating.

The curve (sag) of a rope, cable or chain hung between two points such as the anchor rode or towing line; the deeper the curve, the more catenary.

Small masses of drift ice with waterways in which a vessel can sail.

Periodic publications containing details of any alterations to charts, to keep them up to date.

Towards the sides of the vessel (with reference to the centerline).

A canvas canopy secured over the ship's deck as a protection from the weather (covering).

On ships, the stern and stem are marked in feet to show the draft or depth of the vessel.

A technical rail ramp, used for equalization of points not actually served.

Cubic capacity in 'grain"

The strokes on the ship's bell to mark the passage of time. The passage of time in each watch is marked by the bell every half-hour.

Sailor's term for soot or ashes which sometimes fell into food while it was being cooked.

Provision in a salvage agreement that money is not payable unless the property is salved in accordance with that accordance.

To reeve and secure a line.

On a square-rigged ship, the area between the after end of the forecastle and the forward end of the booms where lines, blocks, and tackle were stored.

A black ball visible in all directions, displayed in the forward part of a vessel to indicate that the vessel is anchored.

Two navigational aids separated in distance so that they can be aligned to determine that a boat lies on a certain line. Transits can be used to determine a boat's position or guide it through a channel. Also called a range.

A nickname referring to British seamen. All British ships were to carry a supply of lime juice for issue to the crew as a preventative against scurvy.

Marks of identification.

Setting rate within a conference tariff that is different from the rate(s) for the same items established by other conference members.