1. penknife a small pocketknife; originally used to cut quill pens
  2. manganite a black mineral consisting of basic manganese oxide
  3. magnify increase in size, volume or significance
  4. manganese a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
  5. manikin a life-size dummy used to display clothes
  6. mankind all of the living human inhabitants of the earth
  7. mannikin a life-size dummy used to display clothes
  8. manganate a salt of manganic acid containing manganese as its anion
  9. Mancunian of or relating to or characteristic of the English city of Manchester or its residents
  10. manakin a life-size dummy used to display clothes
  11. mannequin a life-size dummy used to display clothes
  12. paring knife a small sharp knife used in paring fruits or vegetables
  13. case knife a metal blade with a handle; used as cutlery
  14. main line the principal route of a transportation system
  15. mangrove a tropical tree or shrub bearing fruit that germinates while still on the tree and having numerous prop roots that eventually form an impenetrable mass and are important in land building
  16. mackinaw a heavy woolen cloth heavily napped and felted, often with a plaid design
  17. mangonel an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
  18. manginess a lack of elegance as a consequence of wearing threadbare or dirty clothing
  19. minginess extreme stinginess
  20. maintain keep in a certain state, position, or activity