(rok) noun
1. Any large mass of stone or stony matter; a boulder; also, a stone small enough to throw; stony fragments; a cliff.
2. A firm or immovable support; refuge; defense.
3. That on which one may be wrecked, as a reef; some source of ruin or injury.
4. Geol. The consolidated material forming the crust of the earth; any mass of mineral matter forming an essential part of the earth's crust.
5. The rockfish, or striped bass.
6. The rock dove.
7. A hard confection, of varied flavors.
8. Any of several very hard objects, as ice, rock candy, rock salt, etc.; also, a kind of cooky.
9. U.S. Slang A dollar; in the plural, money.
—on the rocks U.S. Slang
1. Ruined; also, destitute; bankrupt.
2. Served with ice cubes but without soda or water: said of whisky or other spirituous beverage.
—adjective Made or composed of rock; hard; stony: a rock wall. [<OF roque, roke; ult. origin uncertain]

(rok) v.i.
1. To move backward and forward or from side to side; sway.
2. To sway, reel, or stagger, as from a blow; shake.
3. Mining To be washed in a cradle, as ores.
—v.t.
4. To move backward and forward or from side to side, especially so as to soothe or put to sleep.
5. To cause to sway or reel: The earthquake rocked the houses.
6. Mining To wash (ores) in a cradle.
7. In mezzotint engraving, to prepare (a plate) by roughing its surface with a rocker (def. 8). See synonyms under SHAKE.
—noun The act of rocking; a rocking motion. [OE roccian]