Read the dictionary definition of gravy. All definitions for this word.
1. a sudden happening that brings good fortune (as a sudden opportunity to make money)
1. the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line
2. the seasoned but not thickened juices that drip from cooking meats; often a little water is added
3. a sauce made by adding stock, flour, or other ingredients to the juice and fat that drips from cooking meats