From Longman Dictionary of Contemporary Englishcrayoncray‧on1 /ˈkreɪən, -ɒn $ -ɑːn, -ən/ ●○○ noun [countable] 
AVa stick of coloured wax or chalk that children use to draw pictures
AVa stick of coloured wax or chalk that children use to draw picturesExamples from the Corpus
crayon• Grated crayon added to paint produces interesting effects and can give different shades of colour.• It takes about 10 minutes, and visitors get free samples of crayons and markers.• A pastel is a dry stick or crayon, it is not paint.• Both side walls are covered with drawings-pencil, crayon, charcoal, child and adult.• Can you imagine the board games, the crayon drawings, the tears?• For Caspar there were crayons wrapped in a roll of drawing paper.• Exhibit A, above, is clearly a shoddy effort created with crayons bearing no resemblance to Victoria.• Rainbow lovers such as Todd Oldham and Isaac Mizrahi have always played with crayons, but never like this.crayoncrayon2 verb [intransitive, transitive] AVDRAWto draw something with a crayon→ See Verb tableOrigin crayon (1600-1700) French craie “chalk” 