1. support column a column that supports a heavy weight
  2. Nucifraga columbiana nutcracker of the western United States
  3. spherical polygon a figure on the surface of a sphere bounded by arcs of 3 or more great circles
  4. spinal column the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  5. fifth column a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst
  6. hierarchical menu a secondary menu that appears while you are holding the cursor over an item on the primary menu
  7. oophorectomy surgical removal of one of both ovaries
  8. anaphoric relation the relation between an anaphor and its antecedent
  9. spherical relating to a round, three-dimensional closed surface
  10. spherical geometry the geometry of figures on the surface of a sphere
  11. vertebral column the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  12. newspaper column an article giving opinions or perspectives
  13. spherically in a spherical manner
  14. American columbo any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington
  15. Fouquieria columnaris candlewood of Mexico and southwestern California having tall columnar stems and bearing honey-scented creamy yellow flowers
  16. work camp a camp for trustworthy prisoners employed in government projects
  17. spark coil an induction coil used to create sparks
  18. brickkiln a kiln for making bricks
  19. agony column a newspaper column devoted to personal problems
  20. sphericalness the roundness of a 3-dimensional object