spark plug
noun
1
: a part that fits into the cylinder head of an internal combustion engine and carries two electrodes separated by an air gap across which the current from the ignition system discharges to form the spark for combustion
2
: one that initiates or gives impetus to an undertaking
Examples of spark plug in a Sentence
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Henderson was the spark plug for a World Series championship, won the MVP in 1990 and would return to the A’s two more times before ending his Hall of Fame career having played for nine teams.
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Jerry McDonald, The Mercury News, 6 Feb. 2025
Sherwood is a massive bottom-six spark plug, and Suter is a versatile Swiss Army knife.
—Harman Dayal, The Athletic, 17 Dec. 2024
The Red Sox have yet to acquire a similar spark plug as players wonder about their futures.
—Jen McCaffrey, The Athletic, 28 July 2024
Kids can check the oil and spark plugs, remove the engine cover and check the engine, among other things.
—Christopher Murray, Fox News, 18 Dec. 2024
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Jerry McDonald, The Mercury News, 6 Feb. 2025
Sherwood is a massive bottom-six spark plug, and Suter is a versatile Swiss Army knife.
—Harman Dayal, The Athletic, 17 Dec. 2024
The Red Sox have yet to acquire a similar spark plug as players wonder about their futures.
—Jen McCaffrey, The Athletic, 28 July 2024
Kids can check the oil and spark plugs, remove the engine cover and check the engine, among other things.
—Christopher Murray, Fox News, 18 Dec. 2024
See all Example Sentences for spark plug
Dictionary Entries Near spark plug
Cite this Entry
“Spark plug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spark%20plug. Accessed 16 Feb. 2025.
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