hair

/hɛr/
noun
  1. The fine, thread-like strands that grow on the skin of humans and animals, especially on the head.
    • She brushed her long hair before going to school.
    • He got a haircut because his hair was too long.
    • The dog's hair was soft and shiny after the bath.
  2. A single strand of hair.
    • She pulled a gray hair from her head and sighed.
    • I found a hair in my soup and called the waiter.
    • There is a cat hair on your sweater.
  3. A very small amount or narrow margin.
    • I was a hair away from falling off the ladder.
    • He won the race by a hair.
    • The car missed the tree by a hair.
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