If you are well read, or you know someone who traveled forward from the 16th century, you may be familiar with the term “rasher of bacon,” but wonder exactly what it refers to. Is this a big hunk of fatback, 
The word rasher most likely comes from the Latin rado, rasi, rasum, radere, meaning to scrape, shave or scratch.
Bacon is a type of salt-cured pork.[Bacon is prepared from several different cuts of meat, typically from the pork belly or from back cuts, which have less fat than the belly. It is eaten on its own, as a side dish (particularly in breakfasts)