noun anything erected; a building of any kind.
2. erection ·noun state of being stretched to stiffness; tension.
3. erection ·noun the state of being erected, lifted up, built, established, or founded; exaltation of feelings or purposes.
4. erection ·noun the state of a part which, from having been soft, has become hard and swollen by the accumulation of blood in the erectile tissue.
5. erection ·noun the act of erecting, or raising upright; the act of constructing, as a building or a wall, or of fitting together the parts of, as a machine; the act of founding or establishing, as a commonwealth or an office; also, the act of rousing to excitement or courage.