Definitions
1.nounA small particle of glowing matter, either molten or on fire.
2.nounA short or small burst of electrical discharge.
3.nounA small, shining body, or transient light; a sparkle.
4.nounA small amount of something, such as an idea or romantic affection, that has the potential to become something greater, just as a spark can start a fire.
5.nounAny of various lycaenid butterflies of the Indomalayan genus Sinthusa.
6.noun(in plural sparks but treated as a singular) A ship's radio operator.
7.nounAn electrician.
8.verbTo trigger, kindle into activity (an argument, etc).
9.verbTo light; to kindle.
10.verbTo give off a spark or sparks.
11.verbAppalachian To court.