ˌobserˈvation ˌtower BrE AmE noun [countable]
a tall structure built so that you can see a long way, used to watch prisoners, look for forest fires etc
ˌobserˈvation ˌtower BrE AmE noun [countable]
a tall structure built so that you can see a long way, used to watch prisoners, look for forest fires etc
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012