A small low rail around the deck of a boat. The toe rail may have holes in it to attach lines or blocks and to allow drainage. A larger wall is known as a gunwale.

Any boat built to certain standards or rules so that is like all others in the same class.

Lifts temporary quarantine of a vessel; granted pratique by Health Officer.

An arbitrary filter efficiency rating.

The amount of air that a filter can handle. Expressed in CFM.

Is the force in newton required to move a fluid layer of one square meter area and a thickness of one meter with a velocity of one meter per second.

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

Any raised portion of a vessel/s hull above an upermost continuous deck such as a poop, bridge or forecastle and extending from side to side of the vessel.

1,000 grams or 2.2046 pounds.

A right claim against the guarantors of a loan or draft or bill of exchange.

A vessel which, according to the applicable Navigation Rule, has right-of-way. Also known as the "stand on" vessel.

Describing a small or confined space. Originated from the time when a cat-o'-nine-tails was used to inflict punishment.

One who is adept at splicing, knotting, and working with line and canvas.

To move cargo from one place to another.

Traditionally a ship's bell is made of brass and has her name engraved on it. It is used for striking the bells which mark the passage of time (see Bells) and is also used as a fog signal as an audible warning of a ship's position.

A wooden lattice-work covering a hatch or the bottom boards of a boat; similarly designed gratings of metal are frequently found on shipboard.

(turbine oils) -- a test for determining the ability of an oil to aid in preventing the rusting of ferrous parts in the presence of water.

A situation in which waves strike a boat from the side, causing it to roll unpleasantly.

Hauled out of the water for repairs or storage

The angle between the sail and the apparent wind or the rudder or centerline and the water flow.