[f. SPARK sb.1 or v.1 + -ER.]
1. A spark-arrester.
1864. Webster, Sparker, a contrivance [in a locomotive-chimney] to prevent the escape of sparks, while it allows the passage of gas.
2. A kind of miniature firework.
1908. Manch. Even. News, 31 Oct., 8/1. When discharged the sparker created a flare and emitted sparks.
