International Code

noun

: a marine code adopted by all the leading nations for holding communication at sea by means of 26 flags each standing for a different letter of the Roman alphabet and an additional triangular code flag or answering pennant which are hoisted in various combinations each of which represents according to the code a different word, phrase, or sentence

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now