Definition of oar :
1. An implement for impelling a boat, being a slender piece of timber, usually ash or spruce, with a grip or handle at one end and a broad blade at the other. The part which rests in the rowlock is called the loom.
2. An oarlike swimming organ of various invertebrates.
3. An oarsman; a rower; as, he is a good oar.
4. To row.
- Tak' to yer oar, Curly. - "Alec Forbes of Howglen", George MacDonald.
- I couldn't resist sticking in my oar. - "The Lightning Conductor Discovers America", C. N. (Charles Norris) Williamson and A. M. (Alice Muriel) Williamson.
- Noo, we could not row hame wi'oot that oar, so I reached oot wi' my rod and tried to pull it in. - "Between You and Me", Sir Harry Lauder.