1. Sterna a genus of Sterninae
  2. sedition an illegal action inciting resistance to lawful authority
  3. sidereal of or relating to the stars or constellations
  4. sed rate the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammation
  5. sedan a closed 2- or 4-door car seating at least 4 people
  6. Setswana the dialect of Sotho spoken by the Tswana in Botswana
  7. modern ahead of the times
  8. pedestrian a person who travels by foot
  9. sternal of or relating to or near the sternum
  10. Seder the ceremonial dinner on the first night of Passover
  11. Sterninae terns
  12. Sedna a planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun
  13. sedation state of reduced excitement induced by administering a drug
  14. Cetorhinus comprising only the basking sharks
  15. siderite iron ore in the form of ferrous carbonate
  16. Modern used of a living language
  17. seeder a mechanical device that sows grass seed or grain evenly over the ground
  18. Sweden a Scandinavian kingdom in the eastern part of the Scandinavian Peninsula
  19. moderne of or relating to a popularization of art deco that used bright colors and rectangular shapes
  20. Tirana the capital and largest city of Albania in the center of the country

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