The storing of goods/cargo.

[meaning]

When from some cause a vessel's form is so altered that the ends of the keel are much above the level of its midship portion, it is said to be "sagged." The opposite of hogged.

An arch to mount the radar, usually at the stern of the boat.

A four sided sail used instead of a triangular main sail. Used on gaff rigged boats.

To attempt to contact another boat or shore, either by voice or radio.

When all the sails are aback.

A pneumatic hand held percussive drill designed as a boring tool.

All the various sails carried on board a yacht.

[meaning]

[meaning]

An automatic pressure relieving device actuated by the static pressure upstream of the device, which opens in proportion to the increase in pressure over the opening pressure.

An object designed to increase the radio reflectivity of a boat so that it is more visible on radar. Many small boats are made with fiberglass and other materials that do not reflect radar very well on their own.

A gauge that measures engine revolutions per minute.

Is a single shaft, positive displacement rotary compressor.

[meaning]

[meaning]

is the ratio of the actual velocity at a given point to the velocity of sound in the same gas at the conditions existing at this point. These are known as local conditions.

[meaning]

A wood or fiber cover placed around such containers as cans and bottles.