SIERRA LEONE Meaning of SIERRA LEONE in English Sierra Leone BrE AmE si ˌer ə li ˈəʊn -ˌeər-, -ˈəʊn i; ˌsɪər••ˈ• AmE \ -ˈoʊn -ˈoʊn i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012