E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A battle-field, a place where much blood has been shed. To the south of Jerusalem there was a field so called; it was purchased by the priests with the blood-money thrown down by Judas, and appropriated as a cemetery for strangers (Matt. xxvii. 8; Acts i. 19). (Aramaic, kl-dam.)