an·​chia·​line | \ ˈaŋ-kē-ə-ˌlīn , -lən\

Definition of anchialine

: having an underground connection to a larger tidal body (such as the sea) but no surface connection anchialine pools Located on an island in The Abacos, the fauna in this seawater-flooded anchialine cave is among the richest and most diverse in the world.Seed, June/July 2006

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 anchialine

1984, in the meaning defined above

History and Etymology for anchialine

Greek anchíalos “near the sea, sea-girt” (from anchí “near” + -alos, derivative of háls “sea”) + -ine entry 1

Keep scrolling for more

Learn More about anchialine

Share anchialine

Statistics for anchialine

Look-up Popularity

Time Traveler for anchialine

The first known use of anchialine was in 1984

See more words from the same year

Comments on anchialine

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


a servile follower or underling

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Name That Thing

Test your visual vocabulary with our 10-question challenge!


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


Love words? Need even more definitions?

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