1
- a cylinder that rotates about a central axis and is used in various machines and devices to move, flatten, or spread something滚动物; 滚子; 滚筒; 轧辊; 滚轴; 滚柱; 滚轮; 滚轧机; 碾压机; 压路机。
1.1
- an absorbent revolving cylinder attached to a handle, used to apply paint涂料辊。
1.2
- a small cylinder on which hair is rolled in order to produce curls卷发筒。
1.3
- （亦作roller bandage）a long surgical bandage rolled up for convenient application绷带卷。
1.4
- a long swelling wave that appears to roll steadily towards the shore卷浪, 长涌。
1.5
- as modifier of, relating to, or involving roller skates（与）四轮溜冰鞋（有关）的, 旱冰鞋的：
roller hockey.
（穿四轮溜冰鞋进行的）旱冰冰球运动。
2
- a brightly coloured crow-sized bird with predominantly blue plumage, having a characteristic tumbling display flight佛法僧（一种飞行时打滚的鸟）; 金丝雀。
- ORIGIN: late 17th cent.: from German Roller, from rollen 'to roll'.
2.1
- Genera Coracias and Eurystomus, family Coraciidae: several species, especially the widespread European roller (C. garrulus). The Madagascan cuckoo-roller and ground-rollers are usually placed in separate families.佛法僧属及三宝鸟属, 佛法僧科：数种, 尤指分布广的蓝胸佛法僧（拉丁名C. garrulus）。马达加斯加的鹃三宝鸟和地三宝鸟通常置于不同的科中。
3
- a bird of a breed of tumbler pigeon翻头鸽。
4
- a bird of a breed of canary with a trilling song金丝雀, 白玉鸟。
5
- a broad surcingle, typically padded at the withers马鞍肚带（多在肩甲骨间隆起部加衬垫）。