What is the meaning of bristled?

verb

• Be in a state of movement or action.
  • usage: "The room abounded with screaming children"; "The garden bristled with toddlers"
  • synonyms: abound, burst, bristle
• Rise up as in fear.
  • usage: "The dog's fur bristled"; "It was a sight to make one's hair uprise"
  • synonyms: bristle, uprise, stand up
• Have or be thickly covered with or as if with bristles.
  • usage: "bristling leaves"
  • synonyms: bristle
• React in an offended or angry manner.
  • usage: "He bristled at her suggestion that he should teach her how to use the program"
  • synonyms: bristle

adjective

• Having or covered with protective barbs or quills or spines or thorns or setae etc..
  • usage: "a horse with a short bristly mane"; "bristly shrubs"; "burred fruits"; "setaceous whiskers"
  • synonyms: barbed, barbellate, briary, briery, bristly, burred, burry, prickly, setose, setaceous, spiny, thorny