What is the meaning of soil?

noun

• The state of being covered with unclean things.
  • synonyms: dirt, filth, grime, stain, grease, grunge
• The part of the earth's surface consisting of humus and disintegrated rock.
  • synonyms: dirt
• Material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use. )
  • usage: "the land had never been plowed"; "good agricultural soil"
  • synonyms: land, ground
• The geographical area under the jurisdiction of a sovereign state.
  • usage: "American troops were stationed on Japanese soil"
  • synonyms: territory

verb

• Make soiled, filthy, or dirty.
  • usage: "don't soil your clothes when you play outside"
  • synonyms: dirty, begrime, grime, colly, bemire