balloon

Noun
  1. Large tough nonrigid bag filled with gas or heated air (synset 102785116)
    is a type of: lighter-than-air craft - aircraft supported by its own buoyancy
    subtypes:
    • hot-air balloon - balloon for travel through the air in a basket suspended below a large bag of heated air
    • meteorological balloon - a small unmanned balloon set aloft to observe atmospheric conditions
    • trial balloon - a balloon sent up to test air currents
    has:
    • envelope, gasbag - the bag containing the gas in a balloon
    • ripcord - a cord that is pulled to open the gasbag of a balloon wide enough to release gas and so causes the balloon to descend
  2. Small thin inflatable rubber bag with narrow neck (synset 102785352)
    is a type of: plaything, toy - an artifact designed to be played with
Verb
  1. Ride in a hot-air balloon (synset 201952518)
    "He tried to balloon around the earth but storms forced him to land in China"
    is a type of: aviate, fly, pilot - operate an airplane
  2. Become inflated (synset 200257003)
    "The sails ballooned"
    is a type of: expand - become larger in size or volume or quantity
    subtypes: reflate - become inflated again
    same as: billow, inflate

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