Latin erectus = straight or upright.

The erector is the party that is responsible for the erection of the Steel Building System. The dealer, contractor, general contractor or another party working under a subcontract may act as the erector.

A party who assembles or erects a steel building system. Expansion Joint - A break or space in construction to allow for thermal expansion and contraction of the materials used in the structure.

An attachment to a microscope, telescope, or other optical instrument, for making the image erect instead of inverted.

A muscle which raises any part.

One who, or that which, erects.