thornback

noun
thorn·​back | \ ˈthȯrn-ˌbak How to pronounce thornback (audio) \

Definition of thornback

: any of various ray fishes having spines on the back

First Known Use of thornback

14th century, in the meaning defined above

Learn More About thornback

Time Traveler for thornback

Time Traveler

The first known use of thornback was in the 14th century

See more words from the same century

Dictionary Entries Near thornback

thorn apple

thornback

thornback ray

See More Nearby Entries 

Statistics for thornback

Cite this Entry

“Thornback.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thornback. Accessed 16 May. 2022.

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

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

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

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!