a. A machine that converts energy into mechanical force or motion.
b. Such a machine distinguished from an electric, spring-driven, or hydraulic motor by its use of a fuel.
a. A mechanical appliance, instrument, or tool: engines of war.
b. An agent, instrument, or means of accomplishment.
3. A locomotive.
4. A fire engine.
5. Computers A search engine.
tr.v. en·gined, en·gin·ing, en·gines
To equip with an engine or engines.
[Middle English engin, skill, machine, from Old French, innate ability, from Latin ingenium; see genə- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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