self-propelled

[ self-pruh-peld, self- ]

/ ˈsɛlf prəˈpɛld, ˌsɛlf- /

propelled by itself.

(of a vehicle) propelled by its own engine, motor, or the like, rather than drawn or pushed by a horse, locomotive, etc.

(of a gun or a rocket launcher) having a vehicle as a base.

Sometimes self-pro·pel·ling.

Origin of self-propelled

First recorded in 1895–1900

My childhood to D-list modeling career was nothing short of a self-propelled She's All That, and it was not glamorous.

Twitter Creates a New Star |Jill Soloway |April 22, 2010 |DAILY BEAST
Lumbering up the mountain road were more tanks and a self-propelled gun.

Double Take |Richard Wilson
The object of motorite is to replace compressed air in the driving of motors for self-propelled torpedoes.

Dynamite Stories |Hudson Maxim
There are enough personnel carriers or self-propelled weapons so that all men in a unit can be transported simultaneously.

Area Handbook for Bulgaria |Eugene K. Keefe, Violeta D. Baluyut, William Giloane, Anne K. Long, James M. Moore, and Neda A. Walpole

Self-propelled caterpillar gun mounts were the subject of the most important of these experiments.

America's Munitions 1917-1918 |Benedict Crowell
Armoured Car, a self-propelled car completely protected by bullet-proof armour-plating.

The New Gresham Encyclopedia. Vol. 1 Part 2 |Various

self-propelled

(of a vehicle) provided with its own source of tractive power rather than requiring an external means of propulsion

self-propelling, adjective