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

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

• swing
• Swing
• swingarm
• swingarms
• swing-back
• swing-backs
• swingbeat
• swingbeats
• swingbin
• swingbins
• swingboat
• swingboats
• swing bridge
• swing bridges
• swing by
• swing-by
• swing door
• swing doors
• swinge
• swinge-buckler
• swinge-bucklers
• swinged
• swingeing
• swingeingly
• swinger