erection

ot noun

1. Anything erected or built. The Empire State Building was once the world's tallest erection.
2. A penis or clitoris that is erect. He placed his newspaper on his lap to hide his erection.
3. The act of building or putting up or together of something.
4. The physiological process by which erectile tissue, such as a penis or clitoris, becomes erect by being engorged with blood.