any of the three astrological signs, Gemini, Libra, or Aquarius, that are grouped together because of the shared attributes of intellect and gregariousness.
- Compare triplicity.
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How to use air sign in a sentence
BORN THIS WEEK Viggo Mortensen (October 20, 1958) Libra is the cardinal-air sign, which translates to light.
It is the cardinal-air sign, which translates to light, and by extension enlightenment.