Webster's Revised Unabridged Dictionary · 1913

Barker

Barker ({not transcribed}) , noun

1.
An animal that barks; hence, any one who clamors unreasonably.
2.
One who stands at the doors of shops to urge passers by to make purchases. [Cant, English]
3.
A pistol. [Slang] — Dickens
4.
(Zoology) The spotted redshank.

Barker , noun

One who strips trees of their bark.