a pen having a small moving nylon, plastic, or metal ball as a writing point
- Roller bandage
roller bandage roll·er bandage (rō’lər) n. A strip of material, of variable width, rolled into a compact cylinder to facilitate application.
noun, Machinery. 1. a bearing consisting of cylindrical or tapered rollers running between races in two concentric rings, one of which is mounted on a rotating or oscillating part, as a shaft. roller bearing noun 1. a bearing in which a shaft runs on a number of hardened-steel rollers held within a cage
Trademark. 1. a brand of in-line skates. verb (used without object), Rollerbladed, Rollerblading. 2. (often lowercase) to skate on in-line skates. noun 1. trademark a type of roller skate in which the wheels are set in a single straight line under the boot
- Roller-blind shutter
[roh-ler-blahynd] /ˈroʊ lərˌblaɪnd/ noun, Photography. 1. curtain shutter.