astroid /asˈtroid/ (mathematics)

A hypocycloid with four cusps

• cyberterrorist
• cyberterrorists
• cyborg
• cyborgs
• cybrid
• cybrids
• cycad
• cycadaceous
• cycads
• cycl-
• cyclamate
• cyclamates
• cyclamen
• cyclamens
• cyclandelate
• cyclandelates
• Cyclanthaceae
• cyclanthaceous
• cycle
• cycled
• cycle lane
• design engineer
• design engineers
• designer
• designer baby