Webster's Revised Unabridged Dictionary · 1913

Spark

Spark , noun

[Old English sparke, Anglo-Saxon spearca; akin to Dutch spark, sperk; compare Icelandic spraka to crackle, Lithuanian sprageti, Greek {not transcribed} a bursting with a noise, Sanskrit sph{not transcribed}rj to crackle, to thunder. Compare Speak.]

1.
A small particle of fire or ignited substance which is emitted by a body in combustion.
Man is born unto trouble, as the 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. — Shakespeare
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
Collocations (1)
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. [United States]

Spark , noun

[Icelandic sparkr lively, sprightly.]

1.
A brisk, showy, gay man.
The finest sparks and cleanest beaux. — Prior
2.
A lover; a gallant; a beau.

Spark , intransitive verb

1.
To sparkle. [Obsolete] — Spenser
2.
(Electricity) To produce, or give off, sparks, as a dynamo at the commutator when revolving under the collecting brushes.

Spark , intransitive verb

To play the spark, beau, or lover.
A sure sign that his master was courting, or, as it is termed, sparking, within. — W. Irwing