1. rock bottom the absolute bottom
  2. rock-bottom well below normal (especially in price)
  3. bell-bottoms trousers with legs that flare
  4. Foggy Bottom United States Department of State, which is housed in a building in a low-lying area of Washington near the Potomac River
  5. lake bottom the bottom of a lake
  6. rock python very large python of tropical and southern Africa
  7. rock spikemoss tufted spikemoss forming loose spreading mats
  8. rock bass a kind of sea bass
  9. rock bit a drill bit that has hardened rotating rollers
  10. customs the government agency that oversees and collects duties on imported goods
  11. optimistic hopeful that the best will happen in the future
  12. round-bottomed having a rounded bottom
  13. phlebotomus a mild viral disease transmitted by the bite of the sand fly Phlebotomus papatasii
  14. dichotomous divided into two sharply distinguished parts
  15. Phlebotomus small bloodsucking sand flies that resemble moths
  16. rock beauty gold and black butterflyfish found from West Indies to Brazil
  17. rocket base a military base for rocket missiles
  18. Aegospotamos a river in ancient Thrace
  19. brachypterous having very short or rudimentary wings
  20. round-bottom having a rounded bottom