Sailing terms and nautical glossary
Find clear definitions of sailing terms, boat parts, knots, navigation and nautical abbreviations. New to sailing? Start with the everyday words below, then explore the full glossary by subject or search for a term.
Sailing terms for beginners
Begin with port and starboard, bow, windward and leeward. Learn how sheets and halyards control sails, then explore points of sail, tacking and gybing.
For terms in context, read our beginner sailing vocabulary guide. Ready to practise on the water? Our first sailing course guide explains how to choose a starting route.
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TermDefinition
- General Nautical Terminology, Nautical Topics, Parts of a Boat, Safety Run (Line Handling)
To allow a line, chain or cable to move through its lead or controlling equipment.
A line may be ordered to run freely or under controlled...
More Details - General Nautical Terminology, Nautical Topics, Points of Sail, Safety Running
Sailing with the true wind coming from close to astern.
On a run, sails are eased well out and a headsail may be blanketed by the mainsail....
More Details - General Nautical Terminology, Nautical Topics, Parts of a Boat, Points of Sail, Safety Running Backstay
A backstay that can be tensioned or released during sailing to support the mast and control rig loads.
Running backstays are normally fitted...
More Details - General Nautical Terminology, Nautical Topics, Navigation Running Fix
A position fix obtained by advancing an earlier line of position to the time of a later observation.
It is commonly used when the same charted...
More Details - General Nautical Terminology, Nautical Topics, Parts of a Boat, Points of Sail, Safety Running Rigging
Lines, wire and associated movable equipment used to hoist, lower, trim or control sails, spars and other gear.
Halyards, sheets, guys, lifts,...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Organisation RYA
The United Kingdom’s national governing body for recreational and competitive boating.
The RYA represents sailing, motor cruising,...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety RYA DofE Centre
An RYA-recognised centre approved to deliver eligible boating activities within Duke of Edinburgh’s Award programmes.
The approval relates to...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation RYA Handy Plotter
A compact transparent chartwork tool combining straight edges, a rotating compass rose and distance scales.
It is used to plot or measure...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety RYA/MCA Advanced Powerboat Exam
A practical examination for the RYA/MCA Advanced Powerboat Certificate of Competence.
The candidate is assessed as skipper on planning,...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety RYA/MCA Yachtmaster Coastal Motor Exam
A practical examination for the RYA/MCA Yachtmaster Coastal Certificate of Competence in a motor vessel.
Assessment covers skippering, coastal...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety RYA/MCA Yachtmaster Coastal Sail Exam
A practical examination for the RYA/MCA Yachtmaster Coastal Certificate of Competence in a sailing vessel.
Assessment covers skippering,...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety RYA/MCA Yachtmaster Ocean Exam
An oral examination for the RYA/MCA Yachtmaster Ocean Certificate of Competence.
It assesses an eligible Yachtmaster Offshore holder’s ocean...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety RYA/MCA Yachtmaster Offshore Motor Exam
A practical examination for the RYA/MCA Yachtmaster Offshore Certificate of Competence in a motor vessel.
The candidate demonstrates...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety RYA/MCA Yachtmaster Offshore Sail Exam
A practical examination for the RYA/MCA Yachtmaster Offshore Certificate of Competence in a sailing vessel.
The candidate demonstrates...
More Details - General Nautical Terminology, Nautical Topics, Navigation, Organisation RYA Training Almanac
An RYA training publication containing simulated nautical-almanac and pilotage information for shorebased navigation exercises.
Northern and...
More Details - General Nautical Terminology, Nautical Topics, Navigation, Organisation RYA Training Chart
A fictional non-navigational chart produced for teaching and practising RYA navigation and chartwork exercises.
Training charts reproduce many...
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