Roller skate

What is Roller skate ?

Roller skate is (noun) a shoe with pairs of wheels side by side, on which you can glide along fast I have some roller skates but I’d love to have rollerblades. (verb) to glide on roller skates I used to roller skate but I prefer rollerblading because it is so much faster.

 

source: Easier English, Student Dictionary Upper Intermediate Level