Ready to jibe

Reef

To reduce effective sail area in strong wind by rolling, folding, or partly lowering a sai…

Roach

The curved extension of a sail's area aft of a straight line drawn from head to clew.

Rake

The fore-and-aft tilt of the mast relative to vertical.

Rhumb line

A course line crossing all meridians at the same angle — a straight line on a Mercator cha…

Ready about

Skipper's command warning the crew to prepare for a tack.

Running rigging

All lines used to hoist, lower, and trim sails — halyards, sheets, reefing lines, outhaul,…