What does the word clamber mean?

Usage examples for clamber

  1. If a rope- a stout cable- were fixed between a wreck and the shore, say at a distance of three or four hundred yards, it is obvious that only a few of the strongest men could clamber along it. – Battles with the Sea by R.M. Ballantyne
  2. One of the masts lay over the side, and this afforded an easy way by which he could clamber upward upon the deck. – Cord and Creese by James de Mille
  3. Deborah couldn't sit on a chair, or the floor, but must actually clamber on to my bed, with her boots on too! – Anxious Audrey by Mabel Quiller-Couch