1. sky wave a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
  2. Skivvies men's underwear consisting of cotton T-shirt and shorts
  3. skywards toward the sky
  4. skewness an oblique or slanting asymmetry
  5. skive remove the surface of
  6. ski wax wax used on the bottom of skis
  7. pes cavus a deformity of the foot characterized by an abnormally high arch and hyperextension of the toes which gives the foot the appearance of a claw
  8. Ask Jeeves a widely used search engine accepting plain English questions or phrases or terms
  9. skew turn or place at an angle
  10. skydiver a person who jumps from a plane and performs various gymnastic maneuvers before pulling the parachute cord
  11. skiffle a style of popular music in the 1950s
  12. skivvy a female domestic servant who does all kinds of menial work
  13. skew-whiff turned or twisted toward one side
  14. caveat a warning against certain acts
  15. kvass fermented beverage resembling beer but made from rye or barley
  16. skittles a bowling game that is played by rolling a bowling ball down a bowling alley at a target of nine wooden pins
  17. skim over move or pass swiftly and lightly over the surface of
  18. Skaw a cape on the northernmost tip of Jutland between the Skagerrak and the Kattegatt
  19. skip over bypass
  20. screw a simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole