1. machine-made made by machine
  2. machine code a set of instructions coded so that the computer can use it directly without further translation
  3. magnanimous noble and generous in spirit
  4. machinist a craftsman skilled in operating machine tools
  5. machinate arrange by systematic planning and united effort
  6. magnanimity nobility and generosity of spirit
  7. machine stitch a sewing stitch made by a sewing machine, sometimes using more than one thread
  8. Mach number the ratio of the speed of a moving body to the speed of sound
  9. machine bolt a bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; used to connect metal parts
  10. machine wash wash by machine
  11. Mackinaw coat a short plaid coat made of made of thick woolen material
  12. Mackinaw boat a flat-bottomed boat used on upper Great Lakes
  13. Magna Mater great nature goddess of ancient Phrygia in Asia Minor
  14. equanimity steadiness of mind under stress
  15. machinery mechanical or electrical devices collectively
  16. manumit free from slavery or servitude
  17. machine gun a rapidly firing automatic gun (often mounted)
  18. magnetite an oxide of iron that is strongly attracted by magnets
  19. Meccano set a child's construction set for making mechanical models
  20. machine shop workshop where metal is cut and shaped etc., by machine tools