: a long, hollow device that is attached to the edges of a roof to catch rain and carry it away from a building
: a low area at the side of a road that is used to catch water and carry it away from the road
: a long, narrow low section along the sides of a bowling lane
: of the worst kind : offensive or immoral
What made you want to look up gutter? Please tell us where you read or heard it (including the quote, if possible).