erec·tion 
/ɪˈrɛkʃən/ noun
plural erec·tions /ɪˈrɛkʃən/ noun 1 [count] : the state in which a body part (such as the penis) becomes firm and swollen because of sexual excitement ; also : the penis when it is in such a state
▪ get/have an erection 2 [noncount] : the act or process of building or erecting something
▪ the erection of a new apartment building
▪ get/have an erection
▪ the erection of a new apartment building
