1. passenger a traveler riding in a vehicle but not operating it
  2. poring over reading carefully with intent to remember
  3. swing over influence decisively
  4. crossing over the interchange of sections between pairing homologous chromosomes during the prophase of meiosis
  5. plank over cover with planks
  6. passionflower any of various chiefly tropical American vines some bearing edible fruit
  7. passing note a nonharmonic note inserted for transition between harmonic notes
  8. taking over acquisition of property by descent or by will
  9. passing tone a nonharmonic note inserted for transition between harmonic notes
  10. pass over travel across or pass over
  11. Passover (Judaism) a Jewish festival (traditionally 8 days from Nissan 15) celebrating the exodus of the Israelites from Egypt
  12. passenger car a railcar where passengers ride
  13. hangover something that has survived from the past
  14. passenger van a van that carries passengers
  15. passive lacking in energy or will
  16. passing shot a tennis return that passes an opponent who has approached the net
  17. passing game (American football) a play that involves one player throwing the ball to a teammate
  18. passing play (American football) a play that involves one player throwing the ball to a teammate
  19. passing lasting a very short time
  20. passion a strong feeling or emotion