Hollowings refer to the process of creating a cavity or an empty space in a material. It can also indicate the act of digging, excavating, or carving out a hollow shape. There are several synonyms for the word hollowings, including excavation, digging, burrowing, tunneling, carving, scooping, gouging, hollowing out, and engraving. These words denote the act of removing a portion of material to create a hollow or empty space. This process can be carried out in various materials such as wood, stone, metal, and soil. The synonyms of hollowings can be useful in describing different techniques for creating these structures in various settings.