FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

nachal nakh'-al — or (feminine) nachlah (Psalm 124:4) {nakh'-law}; or nachalah (Ezekiel 47:19; 48:28) {nakh-al-aw'}; from 5157 in its original sense; a stream, especially a winter torrent; (by implication) a (narrow) valley (in which a brook runs); also a shaft (of a mine):--brook, flood, river, stream, valley.

see HEBREW for 05157