Crescent shapes are a type of shape that is curved and has two points at the ends. The term crescent shapes can refer to both the moon-like shape and the more common curved shape. CEES is an acronym for the French term 'CROISSANT, ' which translates to crescent in English. LUNES is an acronym for the Spanish term 'lunas, ' which also translates to crescent in English. Both CEES and LUNES are five letter acronyms that refer to crescent shapes.