gutter

1. A prepared channel in a surface, especially at the side of a road adjacent to a curb, intended for the drainage of water.
2. A ditch along the side of a road.
3. A duct or channel beneath the eaves of a building to carry rain water; eavestrough. · The gutters must be cleared of leaves a few times a year.
4. A groove down the sides of a bowling lane. · You can decide to use the bumpers to avoid the ball going down the gutter every time.
5. A large groove (commonly behind animals) in a barn used for the collection and removal of animal excrement.
6. Any narrow channel or groove, such as one formed by erosion in the vent of a gun from repeated firing.
7. A space between printed columns of text.
8. One of a number of pieces of wood or metal, grooved in the centre, used to separate the pages of type in a form.

Plural gutters