1. vacuum flask flask with double walls separated by vacuum
  2. camouflage an outward semblance misrepresenting the nature of something
  3. pocket flask a flask that holds spirits
  4. vacuum-clean clean with a vacuum cleaner
  5. vacuum cleaner an electrical home appliance that cleans by suction
  6. vacuum gage a gauge for indicating negative atmospheric pressure
  7. vacuum bag a bag into which dirt is sucked by a vacuum cleaner
  8. vacuum gauge a gauge for indicating negative atmospheric pressure
  9. thermos flask vacuum flask that preserves temperature of hot or cold drinks
  10. phylum Mollusca gastropods; bivalves; cephalopods; chitons
  11. circumflex a diacritical mark (^) placed above a vowel in some languages to indicate a special phonetic quality
  12. vacuum an empty area or space
  13. powder flask container for carrying gunpowder
  14. Dewar flask vacuum flask that holds liquid air or helium for scientific experiments
  15. Wichita Falls a city in north central Texas near the Oklahoma border
  16. flask a small bottle that has a narrow neck
  17. vacuous devoid of matter
  18. vena circumflexa any of several curved parallel veins accompanying arteries of the same name
  19. hipflask a flask that holds spirits
  20. camouflaged made invisible by means of protective coloring