Spreader

A horizontal strut projecting from the mast that redirects the shrouds outboard, increasing the staying angle and lateral stiffness of the rig.

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Related S-terms

Sea anchor

A large parachute-like drogue streamed from the bow on a long rode in survival conditions …

Shoal

A patch of shallow water, often sand or mud, representing a hazard.

Sheet

A line used to trim a sail — e.g. mainsheet, jib sheet, spinnaker sheet.

Stay

A piece of standing rigging supporting a mast in the fore-and-aft direction.

Starlink

A low-Earth-orbit satellite broadband system widely adopted on cruising and commercial ves…

Spring line

A dockline led fore or aft along the hull to the dock to stop the boat moving forward or b…

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