1. hair from the mane or tail of a horse, used especially for stuffing furniture or making brushes

Examples

• The antique sofa was stuffed with horsehair.
• Traditional violin bows are strung with horsehair.
• The upholsterer used horsehair padding in the chair cushions.
• Horsehair brushes are prized by artists for their durability.
• The old mattress contained layers of horsehair for firmness.
• Fine horsehair from the tail creates the best bow strings.