bristle

bristle (http://definr.com/bristle)

     n 1: a stiff fiber (coarse hair or filament); natural or
          synthetic
     2: a stiff hair
     v 1: be in a state of movement or action; "The room abounded with
          screaming children"; "The garden bristled with toddlers"
          [syn: abound, burst]
     2: rise up; of animals fur or hair; as in fear; "The dog's fur
        bristled"; "It was a sight to make one's hair uprise!"
        [syn: uprise]