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, Organisation, Parts of a Boat Yacht
A vessel used principally for recreation, cruising or sport rather than commercial carriage or working service.
A yacht may be sailing or...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety Yachtmaster Ocean Theory
An advanced RYA shorebased course in ocean navigation, celestial techniques and worldwide passage planning.
It covers position by celestial...
More Details - General Nautical Terminology, Nautical Topics, Maritime Language & Traditions, Safety, Sea State & Waves, Weather (Meteorology) Yachtsman's Gale
An informal name sometimes given to Beaufort force 6, a strong breeze.
On the Beaufort scale, force 6 corresponds to a mean wind speed of...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Yankee (Phonetic Alphabet)
The international radiotelephony spelling word for the letter Y.
It is used to spell call signs, identifiers and words clearly over voice...
More Details - General Nautical Terminology, Nautical Topics, Parts of a Boat, Points of Sail, Safety Yard (Spar)
A spar set across a mast to support and spread a square sail or another transverse sail arrangement.
A square sail's head is bent or attached...
More Details - General Nautical Terminology, Nautical Topics, Parts of a Boat, Points of Sail Yawl (Sailing Rig)
A two-masted fore-and-aft sailing rig with a small mizzen mast stepped abaft the rudder post or steering axis.
The mainmast carries most of...
More Details - General Nautical Terminology, Nautical Topics, Safety, Signals & Communication Code Flag Yankee (Y)
An International Code of Signals flag whose single-letter meaning is “I am dragging my anchor.”.
The Yankee flag may be displayed alone to...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Letter Y (Flag Semaphore)
A two-flag semaphore position representing the letter Y.
The signaller holds one flag in each hand at the prescribed angles illustrated in the...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Letter Y (Morse Code)
The International Morse Code letter Y, represented by dash dot dash dash (-.--).
A dot lasts one signal unit and a dash three. Elements within...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety Youth Sailing Scheme Start Racing
An RYA youth racing course introducing the skills and knowledge needed to enter and complete a dinghy race.
It covers the starting sequence,...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety Youth Sailing Scheme - Start Sailing Stage 1
The first RYA Youth Sailing Scheme stage, introducing young sailors to basic boat control and safety.
Training is practical and normally...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety Youth Sailing Scheme - Start Sailing Stage 2
The second RYA Youth Sailing Scheme stage, developing basic steering and sail control on more points of sail.
Young sailors build confidence...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety Youth Sailing Scheme - Start Sailing Stage 3
The third RYA Youth Sailing Scheme stage, developing independent sailing in light conditions.
Training consolidates sailing in all directions,...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Navigation, Safety Youth Sailing Scheme - Start Sailing Stage 4
The fourth RYA Youth Sailing Scheme stage, consolidating independent sailing and introducing more advanced techniques.
It develops rigging,...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Points of Sail, Safety Youth Windsurfing Stage 1
The RYA Youth Windsurfing Scheme Stage 1 practical course, introducing equipment, balance and basic steering.
Instruction uses age-appropriate...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Points of Sail, Safety Youth Windsurfing Stage 2
The RYA Youth Windsurfing Scheme Stage 2 practical course, developing steering, turning and greater independent control.
Instruction uses...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Points of Sail, Safety Youth Windsurfing Stage 3
The RYA Youth Windsurfing Scheme Stage 3 practical course, consolidating sailing directions, manoeuvres and self-reliance.
Instruction uses...
More Details - Courses, General Nautical Terminology, Nautical Topics, RYA, Points of Sail, Safety Youth Windsurfing Stage 4
The RYA Youth Windsurfing Scheme Stage 4 practical course, completing the core youth progression with more efficient technique and...
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