What is "the field of blood"

Aceldama \A*cel"da*ma\, n. [Gr. ?, fr. Syr. [=o]k[=e]l dam[=o] the field of blood.] The potter's field, said to have lain south of Jerusalem, purchased with the bribe which Judas took for betraying his Master, and therefore called the field of blood. Fig.: A field of bloodshed.

The system of warfare . . . which had already converted immense tracts into one universal aceldama.
--De Quincey.

The Field of Blood is a British crime drama television series, broadcast between 8 May 2011 and 9 August 2013, adapting the novels of Denise Mina. Jayd Johnson stars as the protagonist, Paddy Meehan. The first series was released on DVD on 5 September 2011. A complete box set, comprising both series, was released exclusively in the United States on 30 September 2014.