spacer

noun

spac·​er ˈspā-sər How to pronounce spacer (audio)
plural spacers
: a device or piece used to create or maintain a desired amount of space (as between two parts)
As long as your joints look even, it's more important that you avoid a large grout line at the last tile than worry about sticking to the exact measurement of the spacer.Jennifer Stimpson
Stiff spacers of low-expansion materials … may be used to provide a fixed spacing between the end mirrors.Arthur L. Schawlow
Use wood shims or spacers where necessary to compensate for wavy ceilings and to make certain the bottom surfaces of all strips are flush.Bernard Gladstone

Examples of spacer in a Sentence

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.
Smith has always been a solid floor spacer and plus rebounder at his position, and although advanced analytics don’t paint him in a particularly strong light, his size and versatility are greatly needed on a roster playing above expectations. Kelly Iko, The Athletic, 3 Jan. 2025 The spacer fabric is soft and lightweight, all while keeping you warm. Nicol Natale, People.com, 20 Dec. 2024 One way to do this is by adding nanometer scale spheres to the samples that act like spacers during flattening to prevent damage. The Physics Arxiv Blog, Discover Magazine, 2 Dec. 2024 Duren is a mobile big with a soft touch who also is a solid vertical spacer and, like his colleagues in this exercise, young enough to warrant serious attention. The Athletic Staff, The Athletic, 8 Aug. 2024 See all Example Sentences for spacer 

Word History

First Known Use

1857, in the meaning defined above

Time Traveler
The first known use of spacer was in 1857

Dictionary Entries Near spacer

Cite this Entry

“Spacer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spacer. Accessed 18 Jan. 2025.

Medical Definition

spacer

noun
spac·​er ˈspā-sər How to pronounce spacer (audio)
: a region of chromosomal DNA between genes that is not transcribed into messenger RNA and is of uncertain function
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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