1. fifth column a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst
  2. fifth columnist a member of a clandestine subversive organization who tries to help a potential invader
  3. column a line of units following one after another
  4. catecholamine any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
  5. lally column support column consisting of a steel cylinder filled with concrete
  6. agony column a newspaper column devoted to personal problems
  7. support column a column that supports a heavy weight
  8. vertebral column the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  9. fifthly in the fifth place
  10. spinal column the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  11. calumny a false accusation of an offense
  12. water lemon the edible yellow fruit of the Jamaica honeysuckle
  13. Fifth Crusade a Crusade under papal control from 1218 to 1221 that achieved military victories but failed when dissension arose over accepting the terms they had been offered
  14. medical man someone who practices medicine
  15. Fifth Amendment an amendment to the Constitution of the United States that imposes restrictions on the government's prosecution of persons accused of crimes; mandates due process of law and prohibits self-incrimination and double jeopardy; requires just compensation if private property is taken for public use
  16. fifteen the cardinal number that is the sum of fourteen and one
  17. reticulum any fine network
  18. fifth wheel someone or something that is unwanted and unneeded
  19. Wolffia columbiana smallest flowering plants known; of the Americas
  20. fugleman a leader and organizer and spokesman

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