a stick of black carbon material used for drawing | a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image |
a drawing made with a stick of black carbon material | either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree |
a very dark grey color | an indication that something has been present |
a carbonaceous material obtained by heating wood or other organic matter in the absence of air | a suggestion of some quality |
| a visible mark (as a footprint) left by the passage of person or animal or vehicle |
| a just detectable amount |