HyperDic

English > 1 sense of the expression hot-air balloon:
NOUNartifacthot-air balloonballoon for travel through the air in a basket suspended below a large bag of heated air
English > hot-air balloon: 1 sense > noun 1, artifact
Meaningballoon for travel through the air in a basket suspended below a large bag of heated air.
Broaderballoonlarge tough nonrigid bag filled with gas or heated air