rigadoon /ri-gə-doonˈ/

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

• serological
• serologically
• serological typing
• serologies
• serologist
• serologists
• serology
• seron
• seronegative
• seronegativity
• serons
• seroon
• seroons
• seropositive
• seropositivity
• seropurulent
• seropus
• seropuses
• serosa
• serosae
• serosal
• serosas
• serosities
• serosity
• serotaxonomies