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.
-
TermDefinition
- General Nautical Terminology, Nautical Topics, Signals & Communication Number 1 (Morse Code)
The International Morse Code numeral 1, represented by dot dash dash dash dash (.----).
A dot lasts one signal unit and a dash three. Elements...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Signals & Communication Numeral 1 (Flag Pennant)
The International Code of Signals numeral pennant representing one.
It is one of ten distinct numeral pennants used to express figures within...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 2 (Morse Code)
The International Morse Code numeral 2, represented by dot dot dash dash dash (..---).
A dot lasts one signal unit and a dash three. Elements...
More Details - General Nautical Terminology, Nautical Topics, Safety, Signals & Communication Numeral 2 (Flag Pennant)
An International Code of Signals numeral pennant representing the digit 2.
It is hoisted with alphabet flags, other numeral pennants or...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 2 – Two (TOO)
The standard maritime radiotelephony pronunciation of the digit two.
It is spoken as “TOO” when transmitting figures clearly by voice....
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 3 (Morse Code)
The International Morse Code numeral 3, represented by dot dot dot dash dash (...--).
A dot lasts one signal unit and a dash three. Elements...
More Details - General Nautical Terminology, Nautical Topics, Safety, Signals & Communication Numeral 3 (Flag Pennant)
An International Code of Signals numeral pennant representing the digit 3.
It is hoisted with alphabet flags, other numeral pennants or...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 3 – Three (TREE)
The standard maritime radiotelephony pronunciation of the digit three.
It is spoken as “TREE” when transmitting figures clearly by voice. The...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 4 – Four (FOW-er)
The standard maritime radiotelephony pronunciation of the digit four.
It is spoken as “FOW-er” when transmitting figures clearly by voice. The...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 4 (Morse Code)
The International Morse Code numeral 4, represented by dot dot dot dot dash (....-).
A dot lasts one signal unit and a dash three. Elements...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 5 – Five (FIFE)
The standard maritime radiotelephony pronunciation of the digit five.
It is spoken as “FIFE” when transmitting figures clearly by voice. The...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 5 (Morse Code)
The International Morse Code numeral 5, represented by dot dot dot dot dot (.....).
A dot lasts one signal unit and a dash three. Elements...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 6 (Morse Code)
The International Morse Code numeral 6, represented by dash dot dot dot dot (-....).
A dot lasts one signal unit and a dash three. Elements...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 6 – Six (SIX)
The standard maritime radiotelephony pronunciation of the digit six.
It is spoken as “SIX” when transmitting figures clearly by voice....
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 7 (Morse Code)
The International Morse Code numeral 7, represented by dash dash dot dot dot (--...).
A dot lasts one signal unit and a dash three. Elements...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 7 – Seven (SEV-en)
The standard maritime radiotelephony pronunciation of the digit seven.
It is spoken as “SEV-en” when transmitting figures clearly by voice....
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 8 – Eight (AIT)
The standard maritime radiotelephony pronunciation of the digit eight.
It is spoken as “AIT” when transmitting figures clearly by voice. In...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 8 (Morse Code)
The International Morse Code numeral 8, represented by dash dash dash dot dot (---..).
A dot lasts one signal unit and a dash three. Elements...
More Details - Flag / Pennant, General Nautical Terminology, Nautical Topics, Number, Signals & Communication 9 – Nine (NIN-er)
The standard maritime radiotelephony pronunciation of the digit nine.
It is spoken as “NIN-er” when transmitting figures clearly by voice. The...
More Details - General Nautical Terminology, Nautical Topics, Signals & Communication Number 9 (Morse Code)
The International Morse Code numeral 9, represented by dash dash dash dash dot (----.).
A dot lasts one signal unit and a dash three. Elements...
More Details
