What are the large holes on thr surface of the moon called?

The large holes on the surface of the Moon are called impact craters. They are formed by the collision of meteoroids, asteroids, or comets with the lunar surface, creating depressions of varying sizes. Some of the most prominent craters can be several kilometers wide and are often surrounded by raised rims and ejecta from the impact. Notable examples include Tycho and Clavius craters.