bristle

1 :  to furnish with short stiff coarse hairs or filaments :  to furnish with bristles

2 :  to make aggressive or angry :  to make bristly :  ruffle

1a :  to rise and stand stiffly erect quills bristlingb :  to raise the bristles (as in anger) a snarling, bristling dog

2 :  to take on an aggressively defensive attitude (as in response to a slight or criticism) he bristled at the accusations of corruption

3a :  to be full of or covered with especially something suggestive of bristles roofs bristled with chimneysb :  to be full of something specified book bristles with detail and irony — W. J. Broad

1 :  a short stiff hair a hog's bristle

2 :  a stiff hair or something like a hair fastened in a brush

1 :  to rise up and stiffen like bristles Her evil laugh makes your hair bristle.

2 :  to show signs of anger The judge bristled at the reminder of her stupidity. — Ellen Raskin, The Westing Game

3 :  to be covered with The bush bristled with thorns.

:  a short stiff coarse hair or filament