Siloah (sĭ-lô'ah or sĭl'o-ah), R. V., "Shelah," Nehemiah 3:15; or Siloam, John 9:7; John 9:11; or Shiloah. Isaiah 8:1-22; Isaiah 6:1-13. A rivulet on the southeast of Jerusalem, at the foot of Zion and Moriah; supposed by some to be the same with En-rogel and Gihon. There were two pools, the upper, Isaiah 7:3, or king's pool, Nehemiah 2:14, and the lower pool. Isaiah 22:9. There was also a tower at Siloam. Luke 13:4.