outboard motor

noun
🔊/ˌaʊtbɔːd ˈməʊtə(r)/
🔊/ˌaʊtbɔːrd ˈməʊtər/
(also outboard engine, outboard)
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  1. an engine that you can fix to the back of a small boat舷外挂机
    • a boat with a powerful outboard motor有大功率尾挂发动机的船
    Topics Transport by waterc2