Term: trial balloon: a balloon sent up to test air currents
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: lathyrus: genus of climbing herbs of Old World and temperate North and South America: vetchling; wild pea
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: ull: (Norse mythology) one of the Aesir known for his beauty and skill with bow and skis; son of Sif and stepson of Thor
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: ethic: a system of principles governing morality and acceptable conduct
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: high-density lipoprotein: a lipoprotein that transports cholesterol in the blood; composed of a high proportion of protein and relatively little cholesterol; high levels are thought to be associated with decreased risk of coronary heart disease and atherosclerosis
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: headmistress: a woman headmaster
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: draft: a preliminary sketch of a design or picture
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: writing: letters or symbols that are written or imprinted on a surface to represent the sounds or words of a language
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: busload: the quantity of cargo or the number of passengers that a bus can carry
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: fashion: the latest and most admired style in clothes and cosmetics and behavior
Broader: balloon: large tough nonrigid bag filled with gas or heated air | Unrelated: slave state: any of the southern states in which slavery was legal prior to the American Civil War