1. hook up connect or link
  2. hookup a device providing a connection between a power source and a user
  3. hiccup a spasm of the diaphragm that produces a sound
  4. hike up pull up
  5. look up seek information from
  6. cook up prepare or cook by mixing ingredients
  7. book up book all available places or tickets
  8. lookup an operation that determines whether one or more of a set of items has a specified property
  9. chock up crowd or pack to capacity
  10. hookah an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water
  11. hooked curved down like an eagle's beak
  12. hook a mechanical device that is curved or bent to suspend or hold or pull something
  13. hole up sleep during winter
  14. hooky failure to attend (especially school)
  15. hook on adopt
  16. hokum a message that seems to convey no meaning
  17. hang up cause to be hanging or suspended
  18. hook up with take in marriage
  19. hang-up an unforeseen obstacle
  20. hooks large strong hand (as of a fighter)