hair

A very small distance or space.

“they escaped by a hair's-breadth”

Any of the cylindrical filaments characteristically growing from the epidermis of a mammal.

“there is a hair in my soup”

Cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments.

Filamentous hairlike growth on a plant.

A covering for the body (or parts of it) consisting of a dense growth of threadlike structures (as on the human head); helps to prevent heat loss.

“he combed his hair”

“each hair consists of layers of dead keratinized cells”

A filamentous projection or process on an organism.