A warning issued by the skipper, telling the crew that the tiller has been pushed hard over to one side Indicating that a sudden directional change is imminent.

 Sailing with the wind coming over the port side of the vessel.

 The surface area of a hull immersed in water.

 A command to leave a vessel due to imminent danger.

 A relative direction that is always at a right angle to the vessels direction of travel.

 Literally meaning to be “on board” a vessel.

 Afloat and detached from the shore or seabed, but not making way. Drifting with the wind or current.

 Any portion of a vessel behind the centerline.

 When a vessel is resting on the seafloor

 Refers to anything that might be above deck in the rigging or mast.