Farina is the Italian word for flour. However, in Italian, it is usually followed by description of what the flour is ... such as in farina integrate = wholewheat flour, or what is to be used for .... such as farina ideale per pizza e pasta fresca = flour ideal for pizza or fresh pasta.
Farina is also used elsewhere in the world to describe any ceral grain ground to a meal consistency - which is not ground as fine as flour - such as corn flour vs corn meal.
Not knowing the country of origin of your recipe, or what the recipe is for, makes it a little hard to give you a definitive answer as to what farina means in your recipe.
In the US - the most common form of a product called farina is wheat meal sold under the brand name "Cream of Wheat". We also have something called "Cream of Rice" is also called farina by some American-Italians.
"It ain't what you don't know that gets you in trouble. It's what you know for sure that just ain't so." - Mark Twain