1. water mold parasitic or saprobic organisms living chiefly in fresh water or moist soil
  2. watermelon large oblong or roundish melon with a hard green rind and sweet watery red or occasionally yellowish pulp
  3. water mill a mill powered by a water wheel
  4. atheromatous of or relating to or resembling atheroma
  5. Atromid-S a drug that reduces lipids in the blood serum
  6. water-cooled kept cool or designed to be kept cool by means of water especially circulating water
  7. water violet featherfoil of Europe and western Asia having submerged and floating leaves and violet flowers
  8. water lettuce pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes
  9. water glass a glass for drinking water
  10. water meter meter for measuring the quantity of water passing through a particular outlet
  11. Heteromeles one species: toyon
  12. water mint a European mint that thrives in wet places
  13. water-mint a European mint that thrives in wet places
  14. waterless lacking sufficient water or rainfall
  15. watermeal any of various aquatic plants of the genus Wolffia
  16. water mat aquatic herb with yellowish flowers
  17. water milfoil an aquatic plant of the genus Myriophyllum having feathery underwater leaves and small inconspicuous flowers
  18. water hemlock tall erect highly poisonous Eurasiatic perennial herb locally abundant in marshy areas
  19. water closet a toilet in Britain
  20. water filter a filter to remove impurities from the water supply