נַחַל nachal (H5158)

a stream, especially a winter torrent; (by implication) a (narrow) valley (in which a brook runs); also a shaft (of a mine)

1) torrent, valley, wadi, torrent-valley 1a) torrent 1b) torrent-valley, wadi (as stream bed) 1c) shaft (of mine) 2) palm-tree 2a) meaning dubious

or (feminine) נַחְלָה; (Psalm 124:4), or נַחֲלָה; (Ezekiel 47:19; Ezekiel 48:28), from נָחַל (H5157) in its original sense;