@raprap,
I stand corrected. From my American Heritage Dictionary.
1. The ratio of the amount of heat required to raise the temperature of a unit mass of a substance by one unit of temperature to that required to raise the temperature of a unit mass of a reference material, usu. water by the same amount.
2. The amount of heat, in calories required to raise the temperature of one gram of a substance by one Celsius degree.
Since my answer was so completely at variance with the above, I should probably avoid this kind of question in the future.