thornback

noun
thorn·​back | \ˈthȯrn-ˌbak \

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

Keep scrolling for more

Learn More about thornback

Statistics for thornback

Look-up Popularity

Time Traveler for thornback

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

See more words from the same century

More from Merriam-Webster on thornback

Rhyming Dictionary: Words that rhyme with thornback

Comments on thornback

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

WORD OF THE DAY

to make faulty or ineffective

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Dictionary Devil

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!