/'rəʊlə(r); `rolɚ/
n [C]
1 (a) cylinder used for flattening or spreading things （碾轧或涂布用的）　衮子
*a garden roller, ie for use on a lawn 园圃滚压机（碾草坪用）
* a `road-roller, ie for levelling tarmac on roads, etc 压路机.
(b) cylinder on which sth is placed to enable it to be moved 滚柱, 滚轴（物体置于其上便于移动）
*The huge machine was moved to its new position on rollers.那台巨型机器用滚柱移到了新的地方.
(c) cylinder on which sth is wound （缠绕东西的）滚筒, 滚轴
*a `roller-blind, ie a type of window blind wound on a roller 卷式窗帘.
(d) small cylinder of plastic around which hair is wound to make it curl 塑料发卷
*put her hair in rollers （她）用发卷卷发.
2 long swelling wave 翻滚的巨浪
*rollers crashing on the beach 冲击海滩的巨浪.

n[C]
roller
a piece of equipment consisting of a tube-shaped piece of wood, metal etc that rolls over and over, used for painting, crushing, making things smoother etc
　a paint roller
　a garden roller
→steamroller¹ (1)
[usually plural]
a tube-shaped piece of metal or wood, used for moving heavy things that have no wheels
　The boats are taken down to the sea on rollers.
a small plastic or metal tube used for making hair curl
= curler
a long powerful wave
　great Atlantic rollers