The term 'crescent-shaped' is used to describe objects that are curved like a crescent moon. The two crossword solutions for this term are 'lunate' and 'semilunar'. Lunate is a six-letter word meaning 'shaped like a crescent moon' and semilunar is a nine-letter word meaning 'half-moon shaped'. Both words refer to the same concept of a crescent-shaped object, but semilunar is more specific in that it implies that the object is only half of a crescent moon.