Gut·ter n.
 1. A channel at the eaves of a roof for conveying away the rain; an eaves channel; an eaves trough.
 2. A small channel at the roadside or elsewhere, to lead off surface water.
    Gutters running with ale.   --Macaulay.
 3. Any narrow channel or groove; as, a gutter formed by erosion in the vent of a gun from repeated firing.
 Gutter member Arch., an architectural member made by treating the outside face of the gutter in a decorative fashion, or by crowning it with ornaments, regularly spaced, like a diminutive battlement.
 Gutter plane, a carpenter's plane with a rounded bottom for planing out gutters.
 Gutter snipe, a neglected boy running at large; a street Arab. [Slang]
 Gutter stick Printing, one of the pieces of furniture which separate pages in a form.