Also see definition of "wadi" in Bible Study Dictionaries
Word Study
wadi
OXFORD DICTIONARY
wadi, n. (also wady) (pl. wadis or wadies) a rocky watercourse in N. Africa etc., dry except in the rainy season.
Etymology
Arab. wadi
THESAURUS
wadi
abysm, abyss, adolescent stream, aqueduct, arroyo, beck, bed, bottom, bottom glade, bottoms, bourn, box canyon, braided stream, branch, breach, break, brook, brooklet, burn, canal, canyon, cavity, channel, chap, chasm, check, chimney, chink, cleft, cleuch, clough, col, coulee, couloir, crack, cranny, creek, creek bed, crevasse, crevice, crick, culvert, cut, cwm, dale, defile, dell, dike, dingle, ditch, donga, draw, dry bed, excavation, fault, fissure, flaw, flowing stream, flume, fluviation, fracture, fresh, freshet, furrow, gap, gape, gash, gill, glen, gorge, groove, grove, gulch, gulf, gully, gullyhole, headrace, hole, incision, intervale, irrigation ditch, joint, kill, kloof, lazy stream, leak, lunar rill, meandering stream, midchannel, midstream, millstream, moat, moving road, navigable river, notch, nullah, opening, pass, passage, race, racing stream, ravine, rent, rift, rime, river, river bed, riverway, rivulet, run, rundle, runlet, runnel, rupture, scissure, seam, sike, slit, slot, sluice, spill stream, spillbox, spillway, split, strath, stream, stream action, stream bed, streamlet, streamway, subterranean river, swash, swash channel, tailrace, trench, trough, vale, valley, void, water carrier, water channel, water furrow, water gap, water gate, watercourse, waterway, waterworksAlso see definition of "wadi" in Bible Study Dictionaries
For further exploring for "wadi" in Webster Dictionary Online