erection

Short definition from Wiktionary

Noun

1. 1
   The act of building or putting up or together of something.
2. 2
   Anything erected or built.
3. 3
   Formal approval and official establishment of an institution such as a society or a monastery by higher church authorities.
4. 4
   The physiological process by which erectile tissue, such as a penis or clitoris, becomes erect by being engorged with blood.
5. 5
   The state or quality of being erect from engorgement with blood.
6. 6
   A penis or clitoris that is erect.