"pencial" is probably misspelled. Trying pencil instead Definition of pencil
pencil has definitions from the fields of writing,chemistry
1
[ noun ] (writing) a thin cylindrical pointed writing implement; a rod of marking substance encased in wood
2
[ noun ] a figure formed by a set of straight lines or light rays meeting at a point
3
[ noun ] a cosmetic in a long thin stick; designed to be applied to a particular part of the face

Examples

"an eyebrow pencil"

4
[ noun ] (chemistry) graphite (or a similar substance) used in such a way as to be a medium of communication

Examples

"the words were scribbled in pencil" "this artist's favorite medium is pencil"

5
[ verb ] write, draw, or trace with a pencil

Examples

"he penciled a figure"

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