cidaris /sidˈə-ris/

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

• flare-out
• flare-outs
• flare path
• flare paths
• flares
• flare stack
• flare stacks
• flare star
• flare stars
• flare-up
• flare-ups
• flarier
• flariest
• flaring
• flaringly
• flary
• flaser
• flasers
• flash
• flashback
• flashbacked
• flashbacking
• flashbacks
• flash blindness
• flashboard