The term 'Trowel Cousin' refers to a type of gardening tool known as a WEEDER. A WEEDER is a tool used to remove weeds from soil, and it typically has a long handle and a sharp blade or tines at the end. The term 'Trowel Cousin' is derived from the fact that a WEEDER looks similar to a trowel, which is another type of gardening tool used for digging and scooping soil. Weeding is an important part of gardening, as it helps to keep plants healthy and free of pests and diseases.