cidaris /sidˈə-ris/

1. A Persian royal tiara
2. (with cap) a genus of sea urchins, mostly fossil

• gibbet
• gibbeted
• gibbeting
• gibbets
• gibbing
• gibble-gabble
• gibbon
• Gibbonian
• gibbons
• gibbose
• gibbosities
• gibbosity
• gibbous
• gibbously
• gibbousness
• gibbousnesses
• gibbsite
• gibbsites
• gib-cat
• gibe
• gibed
• gibel
• gibels
• Gibeonite
• giber