Definition of gutter

• n. - A channel at the eaves of a roof for conveying away the rain; an eaves channel; an eaves trough.
• n. - A small channel at the roadside or elsewhere, to lead off surface water.
• n. - Any narrow channel or groove; as, a gutter formed by erosion in the vent of a gun from repeated firing.
• v. t. - To cut or form into small longitudinal hollows; to channel.
• v. t. - To supply with a gutter or gutters.
• v. i. - To become channeled, as a candle when the flame flares in the wind.