1. bird dog a gun dog trained to locate or retrieve birds
  2. paradox a statement that contradicts itself
  3. paradigm a standard or typical example
  4. birthday the date on which a person was born
  5. dirty dog a person who is deemed to be despicable or contemptible
  6. guard dog a dog trained to guard property
  7. birthing the process of giving birth
  8. birdcage a cage in which a bird can be kept
  9. birdsong the characteristic sound produced by a bird
  10. prairie dog any of several rodents of North American prairies living in large complex burrows having a barking cry
  11. boarding the act of passengers and crew getting aboard a ship or aircraft
  12. burdock any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs
  13. predator any animal that lives by preying on other animals
  14. pariah dog ownerless half-wild mongrel dog common around Asian villages especially India
  15. third deck the deck below the main deck
  16. wild dog any of various undomesticated mammals of the family Canidae that are thought to resemble domestic dogs as distinguished from jackals or wolves
  17. bardic being a bard or relating to a bard's poetry
  18. firedog metal supports for logs in a fireplace
  19. boardwalk a seaside path or promenade made of wooden slats
  20. bride-to-be a woman who is engaged to be married