Those frames of a ship's hull which are equal in area, one forward and one aft of the ship's center of gravity.

A reef in a spanker or fore-and-aft mainsail, which runs from the outer head-earing, diagonally, to the tack. It is the closest reef, and makes the sail triangular, or nearly so.

Sailing term used to indicate a sailing vessel underway with no headsails set.

To bale a boat, is to throw water out of her.

A metal ring on a boom, pole or mast where blocks or shackles may be attached.

Cubic capacity of a vessels holds to carry packaged dry cargo such as bales/pallets

Cubic capacity of a vessels holds to carry packaged dry cargo such as bales/pallets.

Heavy weights packed in the bottom of a boat or ship to give her stability.

Heavy weight,which gives a ship stability when the vessel is not carrying cargo.

Heavy substances loaded by a vessel to improve stability, trimming, sea-keeping and to increase the immersion at the propeller. Sea water ballast is commonly' loaded in most vessels in ballast tanks, positioned in compartments right at the bottom and in s ...

A voyage or voyage leg made without any paying cargo in a vessel's tanks. To maintain proper stability, trim, or draft, sea water is usually carried during such movements.

Tanks carried in various parts of a ship for water ballast, for stability and to make the ship seaworthy.

Double bottoms for carrying water ballast and capable of being flooded or pumped out at will.

Light, bulky articles.

A reaching headsail that has a big draft and is usually light-weight

A boat is double banked, when two oars, one opposite the other, are pulled by men seated on the same thwart.

Guarantee issued by a bank to a carrier to be used in lieu of lost or misplaced original negotiable bill of lading.

A region of shallow water usually made of sand or mud, usually running parallel to the shore. Bars are caused by wave and current action, and may not be shown on a chart

A unit of pressure equal to 0.99 atmospheres or 14.233 psi.

Said of a rope when it is under such tension that it is practically rigid.