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A lightly armored military motor vehicle having continuous tracks in the rear for power and conventional wheels in front for steering.
(Military) a vehicle with caterpillar tracks on the wheels that supply motive power only
1. 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 esp. on military vehicles.
2. a motor vehicle with rear driving wheels on caterpillar treads.
3. Mil. an armored vehicle equipped with half-tracks.