1. sales tax a tax based on the cost of the item purchased and collected directly from the buyer
  2. ballistics the science of flight dynamics
  3. seed stock a supply of seeds (or tubers) reserved for planting
  4. small stores personal items conforming to regulations that are sold aboard ship or at a naval base and charged to the person's pay
  5. Phyllostachys medium and large bamboos
  6. Celastrus genus of woody vines and erect shrubs (type genus of the Celastraceae) that is native chiefly to Asia and Australia: includes bittersweet
  7. statistics a branch of mathematics concerned with quantitative data
  8. sweepstakes a lottery in which the prize consists of the money paid by the participants
  9. sciolistic showing frivolous or superficial interest; amateurish
  10. bill sticker someone who pastes up bills or placards on walls or billboards
  11. stylostixis treatment of pain or disease by inserting the tips of needles at specific points on the skin
  12. logistics supplying an operation with labor and materials as needed
  13. Celastraceae trees and shrubs and woody vines usually having bright-colored fruits
  14. stocks a frame that supports a boat while it is under construction
  15. silk stocking women's stockings made from a sheer material
  16. pool stick sports implement consisting of a tapering rod used to strike a cue ball in pool or billiards
  17. social status position in a social hierarchy
  18. tailstock support consisting of the movable part of a lathe that slides along the bed in alignment with the headstock and is locked into position to support the free end of the workpiece
  19. lost cause a defeated cause or a cause for which defeat is inevitable
  20. Melopsittacus a genus of Psittacidae