divider

noun

di·​vid·​er də-ˈvī-dər How to pronounce divider (audio)
Synonyms of dividernext
1
: one that divides
2
dividers plural : an instrument for measuring or marking (as in dividing lines)
3
: something serving as a partition between separate spaces or areas
a highway divider

Illustration of divider

Illustration of divider
  • dividers

Examples of divider in a Sentence

Concrete barriers are used as highway dividers. She has proven to be a divider of people. He says that he's a uniter, not a divider.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Because octopuses can be aggressive, the researchers installed a divider in the tank with a few small holes so the pair could warm up to each other. Cody Cottier, Scientific American, 2 Apr. 2026 Bishop removed the divider between the two frames to create one horizontal eight-perforation film frame, rather than the standard vertical four-perforation frame. Laura Payne, Encyclopedia Britannica, 30 Mar. 2026 The 18-wheeler went left to avoid hitting Ward but still hit him, causing Ward to tumble forward and collide with a concrete divider, peace officers wrote in the report. Timia Cobb breaking News Reporter, Dallas Morning News, 29 Mar. 2026 The map carves more than 70,000 minority residents out of Cleaver’s district and used Troost Avenue, Kansas City’s historic racial dividing line, as a divider between the 4th and 5th Congressional Districts, The Star previously revealed. Kacen Bayless, Kansas City Star, 27 Mar. 2026 See All Example Sentences for divider

Word History

First Known Use

1534, in the meaning defined at sense 1

Time Traveler
The first known use of divider was in 1534

Cite this Entry

“Divider.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/divider. Accessed 5 Apr. 2026.

Kids Definition

divider

noun
di·​vid·​er də-ˈvīd-ər How to pronounce divider (audio)
1
: something that divides
a room divider
2
plural : an instrument for measuring or marking

Medical Definition

divider

noun
di·​vid·​er də-ˈvīd-ər How to pronounce divider (audio)
: the second incisor tooth of a horse situated between the center and corner incisors on each side compare nipper sense 2

More from Merriam-Webster on divider

Love words? Need even more definitions?

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

More from Merriam-Webster