What is the meaning of narrowed?

verb

• Make or become more narrow or restricted.
  • usage: "The selection was narrowed"; "The road narrowed"
  • synonyms: narrow, contract
• Define clearly.
  • usage: "I cannot narrow down the rules for this game"
  • synonyms: pin down, peg down, nail down, narrow down, narrow, specify
• Become more focus on an area of activity or field of study.
  • usage: "She specializes in Near Eastern history"
  • synonyms: specialize, specialise, narrow, narrow down
• Become tight or as if tight.
  • usage: "Her throat constricted"
  • synonyms: constrict, constringe, narrow

adjective

• Reduced in size as by squeezing together.
  • usage: "his narrowed eyes"
• Made narrow; limited in breadth.
  • usage: "narrowed arteries impair blood circulation"; "a narrowed view of the world"