1.A small, fine brush of hair or bristles used by painters for laying on colors. "With subtile pencil depainted was this storie."
3.Hence, figuratively, an artist's ability or peculiar manner; also, in general, the act or occupation of the artist, descriptive writer, etc.
4.(Opt.) An aggregate or collection of rays of light, especially when diverging from, or converging to, a point.
5.(Geom.) A number of lines that intersect in one point, the point of intersection being called the pencil point.
6.(Med.) A small medicated bougie.