upright in position or posture

to stand or sit erect.

raised or directed upward

a dog with ears erect.

Botany . vertical throughout; not spreading or declined

an erect stem; an erect leaf or ovule.

Heraldry .

(of a charge) represented palewise

a sword erect.

(of an animal or part of an animal) represented upright

a boar's head erect.

Optics . (of an image) having the same position as the object; not inverted.

to build; construct; raise

to erect a house.

to raise and set in an upright or vertical position

to erect a telegraph pole.

to set up or establish, as an institution; found.

to bring about; cause to come into existence

to erect barriers to progress.

Geometry . to draw or construct (a line or figure) upon a given line, base, or the like.

to form or create legally (usually fol. by into )

to erect a territory into a state.

Optics . to change (an inverted image) to the normal position.

Machinery . to assemble; make ready for use.

to become erect; stand up or out.