1. the fine threadlike strands growing from the skin of humans and animals
2. a single strand of hair
3. a very small amount or degree
Usage: informal

Examples

• She brushed her long brown hair before bed.
• The cat’s hair was all over the furniture.
• I found a hair in my soup.
• He’s losing his hair as he gets older.
• The baby has such soft, fine hair.
• She won the race by a hair.
• Don’t split hairs over minor details.