noun (n)

• a straight line through a body or figure that satisfies certain conditions(noun.cognition)

  source: wordnet30
• the main stem or central part about which plant organs or plant parts such as branches are arranged(noun.plant)

  source: wordnet30
• in World War II the alliance of Germany and Italy in 1936 which later included Japan and other nations(noun.group)

  Example:
  The Axis opposed the Allies in World War II.
  

  source: wordnet30
• a group of countries in special alliance(noun.group)

  Synonym:
  bloc
  

  source: wordnet30
• the 2nd cervical vertebra; serves as a pivot for turning the head(noun.body)

  Synonym:
  axis vertebra
  

  source: wordnet30
• the center around which something rotates(noun.artifact)

  Synonym:
  axis of rotation
  

  source: wordnet30
• The spotted deer (Cervus axis or Axis maculata) of India, where it is called hog deer and parrah (Moorish name).(noun)

  source: webster1913
• A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are symmetrically arranged.(noun)

  source: webster1913