1. capital of the United States the capital of the United States in the District of Columbia and a tourist mecca; George Washington commissioned Charles L'Enfant to lay out the city in 1791
  2. Morchella angusticeps a morel whose pitted fertile body is attached to the stalk with little free skirt around it; the fertile body is grey when young and black in old age
  3. Symplocus tinctoria small yellowwood tree of southern United States having small fragrant white flowers; leaves and bark yield a yellow dye
  4. simple mindedness a lack of penetration or subtlety
  5. Symplocarpus foetidus deciduous perennial low-growing fetid swamp plant of eastern North America having minute flowers enclosed in a mottled greenish or purple cowl-shaped spathe
  6. implication something that is inferred
  7. Supreme Court of the United States the highest federal court in the United States
  8. sampling station an observation station that is set up to make sample observations of something
  9. Great Seal of the United States the seal of the United States government
  10. simple closed curve a closed curve that does not intersect itself
  11. simple interest interest paid on the principal alone
  12. family Calycanthaceae shrubs or small trees having aromatic bark
  13. War between the States civil war in the United States between the North and the South; 1861-1865
  14. symbolic representation something visible that by association or convention represents something else that is invisible
  15. simple sentence a sentence having no coordinate clauses or subordinate clauses
  16. simple mastectomy removal of a breast leaving the underlying muscles and the lymph nodes intact
  17. complicatedness puzzling complexity
  18. Dicrostonyx hudsonius of northern Canada
  19. President of the United States the person who holds the office of head of state of the United States government
  20. Symplocus paniculata deciduous shrub of eastern Asia bearing decorative bright blue fruit