noun
- Motor that converts thermal energy to mechanical work.
- Something used to achieve a purpose.
- usage: "an engine of change"
- A wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks.
- synonyms: locomotive, locomotive engine, railway locomotive
- An instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc..
- usage: "medieval engines of war"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). engine. Retrieved September 20, 2026, from http://smartdefine.org/engine/definitions/1203762 |
| Chicago | WordNet. 2010. "engine" http://smartdefine.org/engine/definitions/1203762 (accessed September 20, 2026). |
| Harvard | WordNet 2010, engine, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/engine/definitions/1203762>. |
| MLA | WordNet. "engine" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/engine/definitions/1203762> |