1. One that sets: a setter of printing type; a setter of rabbit traps.
2. Any of several breeds of longhaired hunting dogs originally trained to indicate the presence of game by crouching in a set position.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.