A sound signal device (not necessarily mechanically operated).

A series of sound signals required by COLREGS to prevent collisions at sea.

Said of a vessel when forced to heave to or lie at anchor due to fog.

A device for issuing fog signals, used for giving a warning of a vessel's presence in fog. These signals are also made by lighthouses.

A sea with waves approaching from the stern of the boat; a sea in which the waves are moving in the same direction as the vessel

A device for mounting cylinders.

On a square-rigged ship, the ropes which hang below a yard upon which the topmen stand while aloft furling or reefing a sail. They were supported by ropes from the yard known as "stirrups".

Clause limiting responsibilities of the charterers, shippers and receivers of cargo.

The title of a common clause in contracts, exempting the parties for non-fulfillment of their obligations as a result of conditions beyond their control, such as earthquakes, floods or war.

A fan that generates (by pushing) a flow of ambient air over the exterior of the finned pipes to dissipate the sensible heat.

Towards, near, or at the bow; Prefix denoting at, near, or toward the bow.

In a line parallel to the ship's keel.

Sails that lie in the direction of the ship's length and whose luffs abut the masts or are attached to stays.

The compartment at the bow of the vessel

The part of the vessel below decks at the stem.

The forward part of the bow which overhangs the keel.

The headway a vessel makes when luffed in the wind; the distance a sailing vessel will shoot up to windward when brought head to head in the act of tacking.

Sailor's songs sung in the forecastle when the men of a watch were off duty. These were sung for entertainment, thus they were not shanties.

The cabin towards the front of the vessel.

A weather prediction.