What does the word nap mean?

Usage examples for nap

  1. " Nap," said the old gentleman, his face very red. – Christopher and Columbus by Countess Elizabeth Von Arnim
  2. Time for a good nap before breakfast." – The House of Martha by Frank R. Stockton
  3. It was after dinner, when I usually take a little nap. – The Children of the World by Paul Heyse