HAIRLINE

noun Date: 1846 a very slender line: as, a tiny line or crack on a surface , a fine line connecting thicker strokes in a printed letter, hairbreadth , 3. a textile design consisting of lengthwise or crosswise lines usually one thread wide, a fabric with such a design, 4. the outline of scalp hair especially on the forehead, the way the hair frames the face, ~ adjective