| 1. | to move or sway to and fro or from side to side. |
| 2. | to be moved or swayed powerfully with excitement, emotion, etc. |
| 3. | Mining. (of sand or gravel) to be washed in a cradle. |
| 4. | to dance to or play rock music. |
| 5. | (of popular music) to have the driving beat characteristic of rock. |
| 6. | to move or sway to and fro or from side to side, esp. gently and soothingly. |
| 7. | to lull in security, hope, etc. |
| 8. | to affect deeply; stun; move or sway powerfully, as with emotion: Everyone in the courtroom was rocked by the verdict. |
| 9. | to shake or disturb violently: A thunderous explosion rocked the waterfront. |
| 10. | Graphic Arts. to roughen the surface of (a copperplate) with a rocker preparatory to scraping a mezzotint. |
| 11. | Mining. cradle (def. 22). |
| 14. | rock-'n'-roll (def. 3). |
| 15. | rock the boat, Informal. to disrupt the smooth functioning or routine of something: Don't rock the boat by demanding special treatment from management. |

rock 2 (rŏk) v. rocked, rock·ing, rocks v. intr.
[Middle English rokken, from Old English roccian.] rock'ing·ly adv. |
rock
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Rock (rŏk), John. 1890-1984.
American gynecologist and obstetrician who helped develop (1954) the first effective oral contraceptive.
rock (rŏk) Pronunciation Key
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rock the boat
Disturb a stable situation, as in An easygoing manager, he won't rock the boat unless it's absolutely necessary. This idiom alludes to capsizing a small vessel, such as a canoe, by moving about in it too violently. [Colloquial; early 1900s]