Shifting the moving block of a tackle from one place of attachment to another place farther along to give more advantage.

Namely. Used in tariffs to specify commodities.

For gauging purposes a transverse section including all longitudinal members such as plating, longitudinals and girders at the deck, side, bottom, inner bottom and longitudinal buklheads.

A line on the compass aligned with the centerline of the vessel that indicates the vessel's compass heading. Since it points to the vessel's bow, it enables a course to be steered by bringing the lubber's line to the point on the compass card which indica ...

To come alongside.

A yard or pole extending the head or foot of the topsail beyond the topmast or gaff of a gaff-rigged boat

A crack or hole that accidentally admits a gas or lets it escape.

Fittings on the mast to which the forestay and shrouds attach.

Inlet butterfly valve. These are fitted on the inlet of most types of compressor and the valve opens and closes to throttle the air flow. However, the term IBV is usually associated with turbo compressors.

A spring line from the stern of a boat to mid ships to stop forward movement

A thin, flexible wooden or plastic strip inserted into a pocket (batten pockets) on the back part (leech) of a sail to stiffen it and assist in keeping its form.

Is the pressure exerted by a vapor confined within a given space. The vapor may be the sole occupant of the space, or may be associated with other gases.

The ship's water closet (toilet or wash-room). The upper edge of a quadrilateral sail.

A type of anchor with a heavy inverted mushroom shaped head. Mushroom anchors are used to anchor in mud and other soft ground.

To bring a sailing vessel head to the wind or as close to it as possible in high seas, maintaining a slight forward motion.

Insufficient number of crew; shorthanded.

To bring to a sudden stop.

A mat of fibers that provide a barrier to particles entrained in the flow of air or gas.

The line where the water comes to on the hull of a boat. Design waterline is where the waterline was designed to be, load waterline is the waterline when the boat is loaded, and the painted waterline is where the waterline was painted. Actual waterline is ...

A sliding type of bearing having either rotating or oscillatory motion and in conjunction with which a journal operates. In a full or sleeve type bearing, the bearing surface is 360 degrees in extent. In a partial bearing, the bearing surface is less than ...