| 1. | the highest part of a hill or mountain range; summit. |
| 2. | the head or top of anything. |
| 3. | a ridge or ridgelike formation. |
| 4. | the foamy top of a wave. |
| 5. | the point of highest flood, as of a river. |
| 6. | the highest point or level; climax; culmination. |
| 7. | a tuft or other natural growth on the top of the head of an animal, as the comb of a rooster. |
| 8. | anything resembling or suggesting such a tuft. |
| 9. | the ridge of the neck of a horse, dog, etc. |
| 10. | the mane growing from this ridge. |
| 11. | an ornament or heraldic device surmounting a helmet. |
| 12. | a helmet. |
| 13. | a ridge running from front to back along the top of a helmet; comb. |
| 14. | Heraldry. a figure borne above the escutcheon in an achievement of arms, either on a helmet or by itself as a distinguishing device. |
| 15. | Anatomy. a ridge, esp. on a bone. |
| 16. | a ridge or other prominence on any part of the body of an animal. |
| 17. | Architecture. a cresting. |
| 18. | Machinery. (in a screw or other threaded object) the ridge or surface farthest from the body of the object and defined by the flanks of the thread. Compare root (def. 14a). |
| 19. | to furnish with a crest. |
| 20. | to serve as a crest for; crown or top. |
| 21. | to reach the crest or summit of (a hill, mountain, etc.). |
| 22. | to form or rise to a crest, as a wave or river. |
| 23. | to reach the crest or highest level: Interest in the project has crested. |

crest (krěst)
n.
A projection or ridge, especially of bone; cresta.
| crest (krěst) Pronunciation Key
The part of a wave with greatest magnitude; the highest part of a wave. Compare trough. See more at wave. |