rigadoon /ri-gə-doonˈ/

1. A lively jig-like dance for one couple
2. The music for this

• Pteris
• ptero-
• pterodactyl
• pterodactyle
• pterodactyles
• pterodactyls
• pteroic acid
• pteropod
• Pteropoda
• pteropod ooze
• pteropods
• pterosaur
• Pterosauria
• pterosaurian
• pterosaurians
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• -pterous
• pteroylglutamic acid
• pterygia
• pterygial
• pterygials
• pterygium
• pterygoid
• pterygoid bone
• pterygoids