What is the meaning of tapering?

noun

• The act of gradually lowering the size or amount.
  • usage: "the doctor prescribed the tapering of the dose"

verb

• Diminish gradually.
  • usage: "Interested tapered off"
  • synonyms: taper
• Give a point to.
  • usage: "The candles are tapered"
  • synonyms: sharpen, taper, point

adjective

• Becoming gradually narrower.
  • usage: "long tapering fingers"; "trousers with tapered legs"
  • synonyms: tapered, narrowing
• Gradually decreasing until little remains.
  • synonyms: dwindling, tapering off