What is the meaning of gutter?

noun

• A channel along the eaves or on the roof; collects and carries away rainwater.
  • synonyms: trough
• Misfortune resulting in lost effort or money.
  • usage: "his career was in the gutter"; "all that work went down the sewer"; "pensions are in the toilet"
  • synonyms: sewer, toilet
• A worker who guts things (fish or buildings or cars etc.. )
• A tool for gutting fish.

verb

• Burn unsteadily, feebly, or low; flicker.
  • usage: "The cooling lava continued to gutter toward lower ground"
• Flow in small streams.
  • usage: "Tears guttered down her face"
• Wear or cut gutters into.
  • usage: "The heavy rain guttered the soil"
• Provide with gutters.
  • usage: "gutter the buildings"