Pretended or mongrel Latin. An excellent example is Stevens' definition of a kitchen: As the law classically expresses it, a kitchen is
“camera necessaria pro usus cookare; cum saucepannis, stewpannis, scullero, dressero, coalholo, stovis, smoak-jacko; pro roastandum, boilandum, fryandum, et plum-pudding-mixandum ...”
A Law Report (Daniel v. Dishclout).
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894