Similar words: roar, soar, boar, hoary, hoard, board, hoarse, soar up. Meaning: [ɔr /ɔː] 
n. an implement used to propel or steer a boat.
n. an implement used to propel or steer a boat. 
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1. We each took an oar.
2. An oar often acts as rudder.
3. The blade of the oar had entangled itself with something in the water.
4. The oar broke with a snap.
5. The oar struck against something hard.
6. He pulled an oar in the winning shell.
7. We took one oar each and rowed quickly to the shore.
8. As the oar disappeared into the distance,(http://sentencedict.com/oar.html) his last chance of returning to the team's hotel with dignity drifted away.
9. Somebody would have to pull the working oar on that boat.
10. The various terms refer to the types of oar used, or the number of strokers involved.
11. The Oxford oar presented as a momento, will help bail him out of any troubled waters he's yet to encounter.
12. A piece of the boat or an oar or a white tennis shoe: Did tennis shoes float?
13. I am in Sam's oar boat, enjoying the luxury of safety straps to hang on to.
14. I desperately attempted to draw my oar nearer to me, but in doing so created an immediate and irretrievable imbalance.
15. The occasional dip of an oar rippled the lake's glassy surface.
16. Just one stroke of his quivering oar and the skin of the Thames goes into a spin, eh?
17. Shackled to an oar, she strained in a galley as an oiled mountain of flesh beat a huge drum.
18. Eddie also presented Margarett with an oar pin: he rowed seven on the Harvard varsity crew.
19. We embark, the ferryman hands us an oar, and the craft moves out from the dock.
20. Kent must be kept out of this affair. He'll interfere and tries to have an oar in everyman's boat.
21. No-one asked him to help - he's always sticking his oar in.
22. We were getting along fine until you stuck your oar in.
23. I know how to mend a fuse and I don't need you shoving your oar in!
24. Neither a club nor a knife: something more like a rowing oar, perhaps, considering our location.
25. Mr Barnet rowed the boat and he let Edward and me have a turn with one oar.
26. So there's another guy trying to steer with a big, heavy sweep oar.
27. I heard him mention something about organs to another guest so I put my oar in and started such a nice conversation.
28. She was talking to me just now, before you put your oar in.
29. A valance of stones appeared in mid-air and fell, knocking oar blades and oarsmen.
30. We were sorting it out quite nicely until you stuck your oar in.