pro ‧ pel ‧ ler /prəˈpelə $ -ər/ BrE AmE noun [countable]
a piece of equipment consisting of two or more blades that spin around, which makes an aircraft or ship move
pro ‧ pel ‧ ler /prəˈpelə $ -ər/ BrE AmE noun [countable]
a piece of equipment consisting of two or more blades that spin around, which makes an aircraft or ship move
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012