grăphis
ĭdis and ĭdos, f.
I.
A drawing-pencil, sketching-pen: pingere collibitum est: graphidem date, Ser. ap. Diom. p. 516 P.—
II.
Transf., drawing; a draught, design: architectum oportet graphidos scientiam habere, Vitr. 1, 1, 4: alias multa graphidis vestigia exstant in tabulis ac membranis ejus, Plin. 35, 10, 36, § 68.