Examples:

1. Probably malnutrition from this three-ring circus.
2. But always with just the ring of truth in it.
3. Jim that doesn't quite ring true.
4. Name don't ring no bell with me.
5. I can always ring down to the restaurant later.
6. They watch as the boxers come into the ring.
7. In a minute, the bell's gonna ring out there.
8. Now, Toots, go and pick up blue ring.
9. I wouldn't wear my class ring down there.
10. I don't know what happens to me whenever I No wedding ring, I see.
11. All around was a ring of human faces.
12. I shall have to ring off now.
13. Not everybody in this world gets a shot at the brass ring.
14. I just happen to have a ring with me.
15. ''Ring out, wild bells! '' Look around! You spread out!
16. L'm sorry. lt's my engagement ring.
17. A wedding ring on your finger.
18. You have a ring on your finger.
19. I was gonna ring the buzzer and go up there and, you know, tell him.
20. When it gets to 20 to 1, have him ring me back.
21. Someone rings you They ring you, they telephone me.
22. If she swallowed the poison between 10:30 and 11:30, then at 1:30 she was in no condition to ring anybody.
23. Every day she'd ring the bell, wake us up call us to God.
24. ''With this ring l thee wed '' What?
25. ''With this ring l thee wed.''
26. Then they ring each other up on the telephone.
27. 3rd Infantry Old Guard not a three-ring circus!
28. It's getting a ring job on the FDR Drive.
29. Maybe you ought to give her a ring.
30. Okay, Doc. I'll give you a ring.

Definitions of O ring:

1. A gasket consisting of a flat ring of rubber or plastic; used to seal a joint against high pressure