Definitions
1.adjectiveUpright; vertical or reaching broadly upwards.
2.adjective(of body parts) Rigid, firm; standing out perpendicularly, especially as the result of stimulation."The penis should be fully erect before commencing copulation."
3.adjective(of a man) Having an erect penis"OK, baby, I'm erect now. Let's get it on!"
4.adjectiveBold; confident; free from depression; undismayed.
5.adjectiveDirected upward; raised; uplifted.
6.adjectiveWatchful; alert.
7.adjectiveElevated, as the tips of wings, heads of serpents, etc.