Definition of "erector" [e•rec•tor]

• One that erects: an erector of skyscrapers. (noun)
• A muscle that causes or maintains the erection of a body part. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The erector is also on track towards operational status in early January, with the base assembly to be aligned and tacked by December 26th and welding to be complete early in the New Year."
• "An erector is a building contracting firm that specializes in erecting steel framed buildings; usually high rise buildings."
• "At about four feet tall, weighing up to 120 pounds, the robots are best described as erector sets meet computers."