| CHA | a piece of chalk (or similar substance) used for writing on blackboards or other surfaces |
|---|---|
| CHA | a pure flat white with little reflectance |
| CHA | a soft whitish calcite |
| CHA | write, draw, or trace with chalk |
| CHA | dust resulting from writing with a piece of chalk |
| CHA | a chalked string used in the building trades to make a straight line on a vertical surface |
| CHA | make a sketch of |
| CHA | a quarry for chalk |
| CHA | a talk that uses a blackboard and chalk |
| CHA | keep score, as in games |
| CHA | accumulate as a debt |
| CHA | sheet of slate |