Pencil (software) definition

(1) A thin cylindrical pointed writing implement; a rod of marking substance encased in wood

(2) A cosmetic in a long thin stick; designed to be applied to a particular part of the face

"An eyebrow pencil"

(3) A figure formed by a set of straight lines or light rays meeting at a point

(4) Graphite (or a similar substance) used in such a way as to be a medium of communication

"The words were scribbled in pencil"

"This artist's favorite medium is pencil"

(5) Write, draw, or trace with a pencil

"He penciled a figure"