1) Aristas 2) Awns 3) Gets mad 4) Sees red 5) Seta 6) Setae 7) Teems 1) Becomes tense with anger 2) Brush feature 3) Brush hairs 4) British slang for a moustache 5) Displays some umbrage 6) Gets defensive 7) Hackles 8) Hog hair 9) Responds resentfully 10) Shows obvious anger 11) Stiff hairs 12) Toothbrush hairs 13) Toothbrush section 14) What toothpaste goes on 
Bristles is British slang for a moustache.
Long, stiff, specialized feathers that have sensory and protective functions. They have a stiff, tapered rachis with a few basal barbs. Semibristles have more side branches. Usually found on the head (near mouth and eyes), also on toes of some owls. Most aerial insect eating birds have bristles and semi-bristles around their mouths, on woodpeckers ...
Highly specialized contour feathers in which the rachis is stiffened and lacks barbs along its outermost parts.
Sensory feathers near beak