- a caterpillar tread that runs over and under the rear or driving wheels of a vehicle but is not connected with the forward wheels: used especially on military vehicles.
- a motor vehicle with rear driving wheels on caterpillar treads.
- Military. an armored vehicle equipped with half-tracks.
Origin of half-track
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for half-track
- a vehicle with caterpillar tracks on the wheels that supply motive power only
Word Origin and History for half-track
Online Etymology Dictionary, © 2010 Douglas Harper