a channel at the side or in the middle of a road or street, for leading off surface water.
a channel at the eaves or on the roof of a building, for carrying off rain water.
any channel, trough, or the like for carrying off fluid.
a furrow or channel made by running water.
Bowling. a sunken channel on each side of the alley from the line marking the limit of a fair delivery ofthe ball to the sunken area behind the pins.