a small vehicle with four wheels in which a baby or child is pushed around

a skater who uses Rollerblades

Smoothing or polishing paper by means of calendering rollers, A twist or partial knot by which the thread is secured to the bobbin in lace-making, propelling something on wheels, adjective_ uttered with a trill, the locomotives and vehicles of a railway, a mill furnished with heavy rolls, between which heated metal is passed, to form it into sheets, rails, etc, verb_ Present participle of rol

noun _That upon which something may be rolled up, as a wooden cylinder, or pasteboard rolled up, usually with a circular section, A stout heavy sheave which revolves and saves a rope that passes over it from wear by friction, anything that rolls