tourbillion /toor-bilˈyən/ or tourbillon /toor-bē-yɔ̃ˈ/

1. A swirl
2. A vortex
3. A whirlwind
4. A whirling firework
5. A whirling or revolving mechanism or system

• aob
• AOB
• AOC
• AOCB
• ao dai
• ao dais
• AOK
• AOL
• AONB
• a one
• a one for
• Aonian
• Aonian fount
• aor.
• AOR
• aorist
• aoristic
• aoristically
• aorists
• aorta
• aortae
• aortal
• aortas
• aortic
• aortitis