Short, stiff hairs or hairlike strands, often found on brushes or animals; can also mean to show anger or indignation.
From Middle English 'bristel,' from Old English 'byrst,' related to Old Norse 'burst.' Likely related to 'burst' because bristles stick out sharply.
Boar bristles in brushes are prized because each bristle has a natural taper and slightly rough texture—it's why expensive paint brushes are made from hog hair, not synthetic materials!
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