oar

Từ điển Oxford Advanced Learner 8th

oar [oar oars] BrE [ɔː(r)] NAmE [ɔːr] noun
a long pole with a flat blade at one end that is used for ↑rowing a boat
•He pulled as hard as he could on the oars.
•We took one oar each and rowed quickly to the shore.
compare ↑paddle
Idiom: ↑put your oar in

Word Origin:
Old English ār, of Germanic origin; related to Danish and Norwegian åre.

Example Bank:
•We pulled hard on the oars.
•We shipped the oars to get through the narrow opening.