1) Cut of pork 2) Cut of pork 3) Greasy part of pork 4) Lard source 5) Pork rind makeup 6) Salt pork 7) Salt-cured pork 8) Soul-food flavoring 
Fatback is a cut of meat from a domestic pig. It consists of the layer of adipose tissue (subcutaneous fat) under the skin of the back, with or without the skin (pork rind). Fatback is `hard fat`, distinct from the visceral fat that occurs in the abdominal cavity and is called `soft fat` and leaf lard. Like other types of pig fat, fatback may ...
Fat from the back of a pig. Fatback is often confused with salt pork, which comes from the belly or sides of a pig. Fatback may be used to make lard or cracklings, as well as for seasoning. Fresh fatback may be refrigerated for up to a week, or up to a month if cured.
• (n.) The menhaden.
Fat'back` noun (Zoology) The menhaden. 
[n] - salt pork from the back of a hog carcass
noun salt pork from the back of a hog carcass