rollerblade
— Noun
– English
～ (trademark) an in-line skate
Rollerblade
— Verb
– English
～ 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"
rollerblader
— Noun
– English
～ a skater who uses Rollerblades