\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.