1. donor card a card that you carry on your person and that authorizes the use of your organs for transplantation after your death
  2. Missouri gourd perennial vine of dry parts of central and southwestern United States and Mexico having small hard mottled green inedible fruit
  3. honor guard an escort for a distinguished guest or for the casket at a military funeral
  4. monarchist an advocate of the principles of monarchy
  5. notochord a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
  6. mineworker laborer who works in a mine
  7. mandrake root the root of the mandrake plant
  8. minor mode a key based on the minor scale
  9. minor role a small role
  10. minor term the term in a syllogism that is the subject of the conclusion
  11. monorchism failure of one testes to descend into the scrotum
  12. on your guard vigilant
  13. urochord primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
  14. orchard a small cultivated area where fruit trees are planted
  15. common chord a three-note major or minor chord
  16. written record a written document preserving knowledge of facts or events
  17. junior-grade inferior in rank or status
  18. color chart a chart displaying colors
  19. Maniraptora advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds
  20. main rotor rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air

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