What does the word balloon mean?

Usage examples for balloon

  1. C. According to the testimony given at the Court of Inquiry held afterwards, two hours after they abandoned the balloon and started struggling through the snow, B. became tired and complained of his fatigue. – The Glands Regulating Personality by Louis Berman, M.D.
  2. You see, there was a weather balloon released here. – The Flying Saucers are Real by Donald Keyhoe
  3. That would put them up in the air higher than a balloon. – Private Peat by Harold R. Peat