1. flightless bird flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
  2. flightless incapable of flying
  3. field sport a sport that is played outdoors
  4. flight of stairs a stairway between one floor or landing and the next
  5. Little Sparrow French cabaret singer (1915-1963)
  6. flight strip an airfield without normal airport facilities
  7. frilled lizard large arboreal insectivorous Australian lizard with a ruff of skin around the neck
  8. lightly armored equipped with armor heavy enough to provide protection against fire from light arms
  9. philatelist a collector and student of postage stamps
  10. light speed the speed at which light travels in a vacuum
  11. gallows bird a person who deserves to be hanged
  12. myrtle bird similar to Audubon's warbler
  13. lightly armoured equipped with armor heavy enough to provide protection against fire from light arms
  14. lightlessness total absence of light
  15. Bletilla striata Japanese orchid with white-striped leaves and slender erect racemes of rose to magenta flowers; often cultivated; sometimes placed in genus Bletia
  16. gallinaceous bird heavy-bodied largely ground-feeding domestic or game birds
  17. lightless giving no light
  18. weightlessness the property of being comparatively small in weight
  19. little sister a younger sister
  20. faultlessly without a fault; in a faultless manner