Buffalo Frozen Omasum A likely refers to a specific grade or quality classification of omasum from a buffalo. The "A" designation could signify a particular grade or size, commonly used in the meat industry to categorize products based on quality or characteristics.

In culinary terms, frozen omasum from buffalo is a meat product that has been preserved by freezing. Omasum is a part of the stomach compartment in the digestive system of a buffalo, and it's used in various cuisines, particularly in certain Asian dishes.