Coston light

Cos·​ton light | \ ˈkȯstən-, ˈkäs- \

Definition of Coston light

: a signal made by burning lights of different colors that is used by ships at sea and in the lifesaving service

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Coston light

after B. F. Coston fl1840, its inventor

Learn More About Coston light

Dictionary Entries Near Coston light

cost of sales

Coston light

cost out

See More Nearby Entries 

Statistics for Coston light

Cite this Entry

“Coston light.” Dictionary, Merriam-Webster, Accessed 17 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!