Definition: Subtrench is a term used in the context of archaeology and geology. It refers to the process by which soil, rock, or other materials are excavated from beneath an existing structure, typically for the purpose of creating a new one. This excavation can be done using methods such as digging, blasting, or even through construction projects. The term "subtrenching" is often used in conjunction with the broader concept of trenching, which involves the excavation of soil and other materials
what should be said.