ballon d'essai /ba-lɔ̃ de-sāˈ/ (French)

1. An experimental balloon
2. A feeler or preliminary sounding of opinion

• cuspidores
• cuspidors
• cuspids
• cuspier
• cuspiest
• cusps
• cuspy
• cuss
• cussed
• cussedly
• cussedness
• cussednesses
• cusser
• cussers
• cusses
• cussing
• cussword
• cusswords
• custard
• custard apple
• custard apples
• custard coffin
• custard coffins
• custard pie
• custard pies