1. matriarch a female head of a family or tribe
  2. master race a race that considers itself superior to all others and fitted to rule the others
  3. matriarchy social organization in which a female is the family head
  4. masterwort any plant of the genus Astrantia
  5. mastering becoming proficient in the use of something
  6. muster roll a list of names of officers and men in a military unit or ship's company
  7. master key key that secures entrance everywhere
  8. mysterious beyond ordinary understanding
  9. patriarch the male head of family or tribe
  10. oyster park a workplace where oysters are bred and grown
  11. hysteric characterized by or arising from psychoneurotic hysteria
  12. masterstroke an achievement demonstrating great skill or mastery
  13. oyster agaric edible agaric with a soft greyish cap growing in shelving masses on dead wood
  14. mysteriously in a cryptic manner
  15. masterpiece the most outstanding work of a creative artist or craftsman
  16. matriarchal of an organization in which a female is the family head
  17. matriarchic (of societies or families) having a female as the family head or having descent traced through the female line
  18. western larch tall larch of western North America have pale green sharply pointed leaves and oblong cones; an important timber tree
  19. lusterware pottery with a metallic sheen produced by adding metallic oxides to the glaze
  20. oysterfish a variety of toadfish

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