1. master's degree an academic degree higher than a bachelor's degree
  2. masterstroke an achievement demonstrating great skill or mastery
  3. doctor's degree one of the highest earned academic degrees conferred by a university
  4. mystery story a story about a crime presented as a novel or play or movie
  5. bachelor's degree a degree on successfully completed undergraduate studies
  6. altruistic showing unselfish concern for the welfare of others
  7. master sergeant a senior noncommissioned officer in the Army or Marines
  8. caster sugar very finely granulated sugar that was formerly sprinkled from a castor
  9. citrus tree any of numerous tropical usually thorny evergreen trees of the genus Citrus having leathery evergreen leaves and widely cultivated for their juicy edible fruits having leathery aromatic rinds
  10. master cylinder a cylinder that contains brake fluid that is compressed by a piston
  11. master bedroom the principal bedroom in a house
  12. honours degree a university degree with honors
  13. mustard greens leaves eaten as cooked greens
  14. mistrust regard with suspicion
  15. third degree interrogation often accompanied by torture to extort information or a confession
  16. positive degree the primary form of an adjective or adverb
  17. mistrustful openly suspicious
  18. mysterious beyond ordinary understanding
  19. Cedrus deodara tall East Indian cedar having spreading branches with nodding tips; highly valued for its appearance as well as its timber
  20. Gasterosteidae sticklebacks