In the cuisine of modern Romequinto quarto (literally the "fifth quarter") is the offal of butchered animals. The name makes sense on more than one level: because offal amounts to about a fourth of the weight of the carcass; because the importance of offal in Roman cooking is at least as great as any of the outer quarters, fore and hind; and because in the past slaughterhouse workers were partly paid in kind with a share of the offal.
Until modern time the division of the cattle in Rome was made following this simple scheme: the first "quarto" was dedicated to be sold to the Nobles, the second one was for the clergy, the third one for the Bourgeoisie and eventually the fourth "quarto" was for the soldiers. The proletariat could afford only the entrails.
Offal cuisine is particularly rich in Rome in spring, when not only beef and pork but also suckling lamb and kid offal appears on trattorie menus. Typical dishes include: