What is the meaning of deserts?

noun

• Arid land with little or no vegetation.
  • synonyms: desert
• An outcome (good or bad) that is well deserved.
  • synonyms: comeuppance, comeupance

verb

• Leave someone who needs or counts on you; leave in the lurch.
  • usage: "The mother deserted her children"
  • synonyms: abandon, forsake, desolate, desert
• Desert (a cause, a country or an army), often in order to join the opposing cause, country, or army.
  • usage: "If soldiers deserted Hitler's army, they were shot"
  • synonyms: defect, desert
• Leave behind.
  • usage: "the students deserted the campus after the end of exam period"
  • synonyms: desert