back-reef

adjective

Definition of back-reef

: consisting of or belonging to a restricted lagoon behind barrier reefs a back-reef area back-reef geologic formations

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!

First Known Use of back-reef

1944, in the meaning defined above

History and Etymology for back-reef

back reef

Keep scrolling for more

Learn More about back-reef

Time Traveler for back-reef

Time Traveler

The first known use of back-reef was in 1944

See more words from the same year

Statistics for back-reef

Cite this Entry

“Back-reef.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/back-reef. Accessed 9 Jul. 2020.

Comments on back-reef

What made you want to look up back-reef? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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