pencil
noun
a thin cylindrical pointed writing implement; a rod of marking substance encased in wood
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”
a figure formed by a set of straight lines or light rays meeting at a point
a cosmetic in a long thin stick; designed to be applied to a particular part of the face
“an eyebrow pencil”
verb
write, draw, or trace with a pencil
“he penciled a figure”
Source: WordNet 3.1, Princeton University