A pole with a blade at the end used to row a rowboat. Oars are different than paddles because they have a provision to be secured to the rowboat for rowing, such as an oarlock. The three parts to an oar are: the blade, the part which enters the water; the ...

See "Free of Particular Average."

[meaning]

A small freshwater mollusk that was accidentally introduced to North American waters via ballast water from a transoceanic vessel. The zebra mussel has had significant negative economic and ecological effects: It clogs water intake pipes and attaches to a ...

A measurement. Inside diameter.

[meaning]

A look-out is stationed in a position to watch for danger ahead. To be on guard against sudden opposition or danger.

That part of yard that lies between the lift and the outboard end of the yard.

A deck with legs that can be jacked up or down. During operations, the legs rest on the sea-bed. When the rig is moved, the legs are retracted, leaving the rig floating. A jackup has normally no propulsion machinery of its own.

Fit and beautiful (describing a boat)

Used by some seamen to describe St. Elmo's Fire.

Any little handy contraption such as a scraper or sailmaker's palm, etc.

The floor or bottom surface of the enclosed space under the deck of a boat

A mast that is stepped (placed) on the keel at the bottom of the boat rather than on the deck. Keel stepped masts are considered sturdier than deck stepped masts.

Abbreviation for "Transportation and Exportation." Customs form used to control cargo movement from port of entry to port of exit, meaning that the cargo is moving from one country, through the United States, to another country.

The motion of a vessel when she goes off from her course.

A beam attached to the top of the floors to add strength to the keel on a wooden boat.

A drive arrangement for power transmission to compressors.

A large piece of fabric designed to be hoisted on the spars of a sailboat in such a manner as to catch the wind and propel the boat.

A small flag placed at the mast head to show wind direction.