What does the word roller mean?

Usage examples for roller

  1. As previously explained, the finishing touches to the road surface should be given by a heavy roller. – The Future of Road-making in America by Archer Butler Hulbert
  2. In a flash he had taken in the fast- approaching roller, froth- capped by the sudden squall; the surging vessel and the scared face of Baxter, who, having realized his mistake was now clutching wildly at the tiller and shouting orders to his men, none of which could be carried out. – The Veiled Lady and Other Men and Women by F. Hopkinson Smith
  3. For large shops this machine has a roller going right across the back which forms the groove down each side. – Practical Bookbinding by Paul Adam