What does the word bead mean?

Usage examples for bead

  1. The white mehari lay on its side, the head and half the body buried, the bead collar faintly blue under a coating of yellow sand. – Lord John in New York by C. N. Williamson A. M. Williamson
  2. If any one of the spears should be covered by the ring, the owner counts according to the colored bead on it. – Indian Games by Andrew McFarland Davis