variants also grottos
plural of grotto
as in caves
a naturally formed underground chamber with an opening to the surface at the heart of the shrine is a small rocky grotto into which pilgrims can descend

Synonyms & Similar Words


Thesaurus Entries Near grottoes

Cite this Entry

“Grottoes.” Thesaurus, Merriam-Webster, Accessed 4 Feb. 2023.

More from Merriam-Webster on grottoes

Love words? Need even more definitions?

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

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
True or False

Test your knowledge - and maybe learn something along the way.

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?