7 Pa. Code § 87.1
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Case—The standard 30, 24 or 15-dozen egg case as used in commercial practice in this Commonwealth.
Department—The Department of Agriculture of the Commonwealth.
Egg—The product of the domesticated fowl enclosed in a shell.
Grade—Any lot or lots of two or more eggs.
Lot—A quantity of 30-dozen eggs or more.
Quality—The quality of an individual egg.
Weight—The weight of individual eggs, dozens or cases.