| robot |
a mechanical device, esp. one controlled electronically, that can perform physical tasks of a human being, often used in industrial assembly or the like. [2 definitions] |
| robust |
physically strong, healthy, and energetic. [6 definitions] |
| rock1 |
a large mass of hard mineral matter that lies under the earth's soil or forms a cliff, mountain, or the like. [4 definitions] |
| rock2 |
to sway strongly back and forth or from side to side. [9 definitions] |
| rocker |
one of the curved elements on the bottom of a chair, cradle, or other device to allow for rocking motion. [3 definitions] |
| rocket1 |
a tube propelled by the gases ejected from the rear that are the product of fuels or explosives ignited and burned inside the tube, used for fireworks, flares, and airborne weapons, and for launching spacecraft and missiles. [6 definitions] |
| rocking chair |
a chair mounted on rockers or springs that rock back and forth; rocker. |
| rocking horse |
a toy horse mounted on springs or rockers that is large enough for a child to ride; hobbyhorse. |
| rock-'n'-roll |
a form of popular music derived from rhythm-and-blues, with a strongly accented beat and usu. played on electronically amplified instruments, esp. guitars; rock. [2 definitions] |
| rocky1 |
having or full of rocks. [3 definitions] |
| rocky2 |
likely or tending to rock; shaky; unsteady. [3 definitions] |
| Rocky Mountains |
the principal North American mountain chain, stretching from Alaska to northern New Mexico; Rockies. |
| rod |
a straight, thin, usu. round and inflexible stick, shaft, or bar. [7 definitions] |
| rode |
past tense of ride. |
| rodent |
any of various related four-footed mammals, such as mice, rabbits, and woodchucks, characterized by large, sharp front teeth used for gnawing and nibbling. [3 definitions] |
| rodeo |
an exhibition or competition of cowboy skills such as riding untamed horses or roping cattle. |
| roe1 |
fish eggs, esp. as a mass in the female ovary. [2 definitions] |
| roe2 |
a small, fleet deer of Europe and Asia, the male of which has three-pointed antlers; roe deer. |
| rogue |
one who is dishonest or malicious; scoundrel. [6 definitions] |
| role |
the character played by an actor or actress. [3 definitions] |
| role model |
one who serves as an example in the performance of a particular role. |