erector

noun

1. 1.A person who, or a device which erects.
2. 2.Any of several muscles that make parts of the body erect.
3. 3.An attachment to a microscope, telescope, etc. for making the image erect instead of inverted.
4. 4.A vehicle used to support a rocket for transportation and for placing the rocket in an upright position within a gantry scaffold.