pencil

nouns

a thin cylindrical pointed writing implement; a rod of marking substance encased in wood
is a type of (narrower)
an implement that is used to write
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"
is a type of (narrower)
used as a lubricant and as a moderator in nuclear reactors
a figure formed by a set of straight lines or light rays meeting at a point
domain category
the pure mathematics of points and lines and curves and surfaces
domain category
the science of matter and energy and their interactions
"his favorite subject was physics"
is a type of (narrower)
a combination of points and lines and planes that form a visible palpable shape
a cosmetic in a long thin stick; designed to be applied to a particular part of the face
"an eyebrow pencil"
is a type of (narrower)
a toiletry designed to beautify the body

verbs

write, draw, or trace with a pencil
"he penciled a figure"
entails
make a mark or lines on a surface
"draw a line"; "trace the outline of a figure in the sand"
is a type of (narrower)
represent by making a drawing of, as with a pencil, chalk, etc. on a surface
"She drew an elephant"; "Draw me a horse"