Spark definition, an ignited or fiery particle such as is thrown off by burning wood or produced by one hard body striking against another. 3. a. Sparker definition, something that produces sparks. See more. Spark definition: A spark is a tiny bright piece of burning material that flies up from something that is... | Meaning, pronunciation, translations and examples spark 1 (spärk) n. 1. One resulting from friction. A glistening particle, as of metal. One thrown off from a burning substance. c. One remaining in an otherwise extinguished fire; an ember. A glistening particle, as of metal. Aaron was mad salt when he lost that fortnight round #salty. 3. a. sparked definition: 1. past simple and past participle of spark 2. to cause the start of something, especially an…. He burnt his hand sparking the bowl . A flash of light, especially a flash produced by electric discharge. Learn more. 2. One thrown off from a burning substance. b. An incandescent particle, especially: a. A flash of light, especially a flash produced by electric discharge. b. by Spark Evergreen May 29, 2019 b. b. spark: to set fire to. See more. An incandescent particle, especially: a. spark 1 (spärk) n. 1. One resulting from friction. 2. Let's spark the L . c. One remaining in an otherwise extinguished fire; an ember.