What is the meaning of coat?

noun

• An outer garment that has sleeves and covers the body from shoulder down; worn outdoors.
• A thin layer covering something.
  • usage: "a second coat of paint"
  • synonyms: coating
• Growth of hair or wool or fur covering the body of an animal.
  • synonyms: pelage

verb

• Put a coat on; cover the surface of; furnish with a surface.
  • usage: "coat the cake with chocolate"
  • synonyms: surface
• Cover or provide with a coat.
• Form a coat over.
  • usage: "Dirt had coated her face"
  • synonyms: cake