: a scale of 3.5 millimeters to one foot used especially for model toys (such as automobiles or trains)

Examples of HO scale in a Sentence

Recent Examples on the Web The beloved family entertainment center is scheduled to close at the end of the year, so don't delay in taking the kids to see the Thomas wooden train layouts, HO scale electric train display, Thomas & Friends scavenger hunts, videos and even an outdoor Thomas train ride for the whole family. Luann Gibbs, The Enquirer, 31 July 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'HO scale.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

half + O (gauge)

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of HO scale was in 1939

Dictionary Entries Near HO scale

Cite this Entry

“HO scale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/HO%20scale. Accessed 2 Oct. 2024.

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!