The regulation of occurrence, pace, or coordination to achieve a desired effect, as in music, the theater, athletics, or mechanics.
The synchronization of the sparking of the plugs with the movement of the pistons in an internal-combustion engine.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.