/ɪˈrekʃn/
erec·tion
BrE /ɪˈrekʃn/
NAmE /ɪˈrekʃn/
[C]
if a man has an erection, his penis is hard and stands up because he is sexually excited
to get/have an erection
[U] (formal)
the act of building sth or putting it in a vertical position
the erection of scaffolding around the building
[C] (formal)
a structure or building, especially a large one