spur gear

noun

: a gear wheel with radial teeth parallel to its axis

called also spur wheel

Illustration of spur gear

Illustration of spur gear

Word History

First Known Use

1823, in the meaning defined above

Time Traveler
The first known use of spur gear was in 1823

Dictionary Entries Near spur gear

spurge

spur gear

spurge family

See More Nearby Entries 

Cite this Entry

“Spur gear.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spur%20gear. Accessed 31 Mar. 2023.

Copy Citation

Share

More from Merriam-Webster on spur gear

Britannica.com: Encyclopedia article about spur gear

Love words? Need even more definitions?

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

Word of the Day

Listen to the pronunciation of recuse

See Definitions and Examples »

Test Your Vocabulary

A Good Old-Fashioned Quiz

  • butter churn
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
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?

PLAY
Words at Play
Ask the Editors
Word Games