HO scale

play
noun \(ˈ)ā-ˈchō-\

Definition of HO scale

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

Origin and Etymology of ho scale

half + O (gauge)


First Known Use: 1939

Learn More about ho scale


Seen and Heard

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