| 单词 | roller |
| 释义 | roller roller1 /roh"leuhr/, n. 1. a person or thing that rolls. 2. a cylinder, wheel, caster, or the like, upon which something is rolled along. 3. a cylindrical body, revolving on a fixed axis, esp. one to facilitate the movement of something passed over or around it. 4. a cylindrical object upon which something is rolled up: the roller of a window shade. 5. a hollow, cylindrical object of plastic, stiff net, or the like, upon which hair is rolled up for setting. 6. a cylindrical body for rolling over something to be spread out, leveled, crushed, smoothed, compacted, impressed, inked, etc. 7. any of various other revolving cylindrical bodies, as the barrel of a music box. 8. Metalworking. a person in charge of a rolling mill. 9. a long, swelling wave advancing steadily. 10. a rolled bandage. [1375-1425; late ME; see ROLL, -ER1] Syn. 9. breaker, comber. roller2 /roh"leuhr/, n. Ornith. 1. any of several Old World birds of the family Coraciidae that tumble or roll over in flight, esp. in the breeding season. 2. tumbler (def. 9). 3. one of a variety of canaries having a warbling or trilling song. [1655-65; < G Roller, deriv. of rollen to ROLL] |
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