bristle
n
1 any short stiff hair of an animal or plant, such as any of the hairs on a pig's back
2 something resembling these hair
toothbrush bristle
vb
3 when intr, often foll by: up to stand up or cause to stand up like bristles
the angry cat's fur bristled
4 intr; sometimes foll by: up to show anger, indignation, etc
she bristled at the suggestion
5 intr to be thickly covered or set
the target bristled with arrows
6 intr to be in a state of agitation or movement
the office was bristling with activity
7 tr o provide with a bristle or bristles (C13 bristil, brustel, from earlier brust, from Old English byrst; related to Old Norse burst, Old High German borst) ♦
bristly adj
bristle-grass
n any of various grasses of the genus Setaria, such as S. viridis, having a bristly inflorescence
bristle worm
n a popular name for a →
polychaete