Merriam-Webster's Collegiate® Dictionary, 11th Edition
CRAYON
I. noun
Etymology: French, crayon, pencil, from diminutive of craie chalk, from Latin creta
Date: 1644
a stick of white or colored chalk or of colored wax used for writing or drawing, a crayon drawing,
II. transitive verb
Date: 1662
to draw with a crayon, crayonist noun