NOUN (1)

1. (trademark) an in-line skate;


VERB (1)

1. travel on shoes with a single line of rubber wheels attached to their soles;
- Example: "you'd better wear a helmet and knee protectors when you Rollerblade!"
- Example: "The muscular actor loves to Rollerblade"

WordNet (r) 3.0 (2006):

Rollerblade
    n 1: (trademark) an in-line skate
    v 1: travel on shoes with a single line of rubber wheels
         attached to their soles; "you'd better wear a helmet and
         knee protectors when you Rollerblade!"; "The muscular actor
         loves to Rollerblade"