Definitions of nap:

• noun:   a short sleep (usually not in bed)
• noun:   a soft or fuzzy surface texture
• noun:   a card game similar to whist; usually played for stakes
• noun:   the yarn (as in a rug or velvet or corduroy) that stands up from the weave
• noun:   a period of time spent sleeping

  Example: "There wasn't time for a nap"

• verb:   take a siesta

  Example: "She naps everyday after lunch for an hour"

• name:  A surname (very rare: popularity rank in the U.S.: #69742)