1. mother board the main circuit board for a computer
  2. Mother Hubbard a woman's loose unbelted dress
  3. mortarboard a square board with a handle underneath
  4. weatherboard a long thin board with one edge thicker than the other
  5. motherwort bitter Old World herb of hedgerows and woodland margins having toothed leaves and white or pale pink flowers
  6. starboard right side of a ship or aircraft to someone facing the bow
  7. teeterboard a plaything consisting of a board balanced on a fulcrum
  8. motorboat a boat propelled by an internal-combustion engine
  9. posterboard a cardboard suitable for making posters
  10. strawboard a coarse yellow cardboard made of straw pulp
  11. motherhood the kinship relation between an offspring and the mother
  12. waterbird freshwater aquatic bird
  13. overboard to extremes
  14. motherland the country where you were born
  15. poster board a cardboard suitable for making posters
  16. memory board an electronic memory device
  17. centerboard a retractable fin keel used on sailboats to prevent drifting to leeward
  18. water bird freshwater aquatic bird
  19. butcher board a thick wooden slab formed by bonding together thick laminated strips of unpainted hardwood
  20. mother-naked as naked as at birth