CABALLERIA, Spanish law. A measure of land, which is different in different provinces. Diccionario por la Real Academia. In those parts of the United States, which formerly belonged to Spain, the caballeria is a lot of one hundred feet front and two hundred feet deep, and equal, in all respects, to five peonias. (q.v.) 2 White's Coll. 49; 12 Pet. 444. note. See Fanegas.