oar /ɔː $ ɔːr/ BrE AmE noun [countable]
[ Language: Old English ; Origin: ar ]
1 . a long pole with a wide flat blade at one end, used for rowing a boat ⇨ paddle
2 . put/stick/get your oar in British English informal to get involved in a conversation or situation when the other people do not want you to:
We were getting along fine until you stuck your oar in.