Halfmoons are a delectable pastry that are similar in shape to a crescent moon. But if you're looking to switch up your vocabulary, there are several synonyms you can use to describe these tasty treats. One option is to simply refer to them as crescents or crescent rolls. Another option is to use the French word for halfmoon, croissants. In some parts of the world, these pastries are also known as croissants aux amandes (almond croissants) or pain au chocolat (chocolate croissants) depending on their fillings. No matter which word you choose, one thing is for sure - these crescent-shaped pastries are always a crowd-pleaser.