A trough along the edge of the eaves of a building to carry off rainwater.

A shallow trench provided beside a canal, bordering a highway, or elsewhere, for surface drainage.

In the pages of a book, the unprinted space or inner margin between the printed area and the binding.

A groove along the periphery of a die impression to allow for excess flash during forging.

A drainage trench cut along the side of a mine shaft to conduct the water back into a lodge or sump.