Webster's Revised Unabridged Dictionary · 1913

Setter

Setter , noun

1.
One who, or that which, sets; -- used mostly in composition with a noun, as typesetter; or in combination with an adverb, as a setter on (or inciter), a setter up, a setter forth.
2.
(Zoology) A hunting dog of a special breed originally derived from a cross between the spaniel and the pointer. Modern setters are usually trained to indicate the position of game birds by standing in a fixed position, but originally they indicated it by sitting or crouching.

There are several distinct varieties of setters; as, the Irish, or red, setter; the Gordon setter, which is usually red or tan varied with black; and the English setter, which is variously colored, but usually white and tawny red, with or without black.

3.
One who hunts victims for sharpers. — Shakespeare
4.
One who adapts words to music in composition.
5.
An adornment; a decoration; -- with off. [Obsolete]
They come as... setters off of thy graces. — Whitlock
6.
(Pottery) A shallow seggar for porcelain. — Ure

Setter , transitive verb

To cut the dewlap (of a cow or an ox), and to insert a seton, so as to cause an issue. [Provincial English]