lifeguard tower
used at recreational beaches or public swimming pools to watch and supervise swimmers in order to prevent drownings and other dangers
en-GB/ˈlaɪfɡɑːd ˈtaʊə/
en-US/ˈlaɪfˌɡɑɹd ˈtaʊɚ/
used at recreational beaches or public swimming pools to watch and supervise swimmers in order to prevent drownings and other dangers