spark

spark is a Noun

Definition:

[1] A small particle of fire or ignited substance which is emitted by a body in combustion. Man is born unto trouble, as hte sparks fly upward. Job v. 7.

[2] A small, shining body, or transient light; a sparkle.

[3] That which, like a spark, may be kindled into a flame, or into action; a feeble germ; an elementary principle. "If any spark of life be yet remaining." Shak. "Small intellectual spark." Macaulay. "Vital spark of heavenly flame." Pope. We have here and there a little clear light, some sparks of bright knowledge. Locke. Bright gem instinct with music, vocal spark. Wordsworth. Spark arrester, a contrivance to prevent the escape of sparks while it allows the passage of gas, -- chiefly used in the smokestack of a wood-burning locomotive. Called also spark consumer. [U.S.]