The term "drill hole" refers to a hole that has been created by using a drilling tool. It is commonly used in construction, mining, and manufacturing industries. There are several synonyms for "drill hole" that can be used depending on the context. For example, in mining, the term "borehole" is often used to refer to a drill hole that is used to extract minerals. In construction, the term "core hole" is used to describe a hole that has been drilled to install pipes or electrical wiring. In manufacturing, the term "counterbore" is used to describe a drill hole that has been widened at the top to accommodate the head of a screw or bolt.