1. Large tough nonrigid bag filled with gas or heated air
   "The hot air balloon slowly rose into the sky"
    
2. Small thin inflatable rubber bag with narrow neck
   "The children tied colourful balloons to the mailbox for the party"

1. Ride in a hot-air balloon
   "He tried to balloon around the earth but storms forced him to land in China"
    
2. Become inflated
   "The sails ballooned";
   - inflate, billow

Derived forms: balloons, ballooning, ballooned

Type of: aviate, expand, fly, lighter-than-air craft, pilot, plaything, toy

Encyclopedia: Balloon, South Carolina