Wadi is the Arabic term that traditionally refers to a valley. In some cases, it may be a dry riverbed that only contains water during heavy rains, or simply an intermittent stream. If Arabic speakers live in a country with regular rivers – especially during Arab rule in Iberian Al-Andalus – “wadi” could also be applied to them. For example, the name of the Spanish river Guadalquivir comes from the Arabic al-wādi al-kabīr, “The Great River”. The numerical value of wadi in Chaldean numerology is: 3 This definition of guadia or wadia is based on the Cyclopedic Law Dictionary. This entry needs to be proofread. Ravine or stream bed in North Africa and the Middle East that remains dry except during the rainy season What does WADI mean? — Discover the different meanings of the acronym WADI on the Abbreviations.com website. Wady, wod′i, n. The dry bed of a torrent: a river valley. [Ar. wadī, a gorge (col. guad-, first syllable of many river names).