Smith's Bible Dictionary (1863)
(appointed place), The gate, one of the gates of Jerusalem. (Nehemiah 3:31) It was probably not in the wall of Jerusalem proper, but in that of the city of David, or Zion, and somewhere near to the junction of the two on the north side.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
MIPH'KAD (appointed place), the name of a gate of Jerusalem, Neh 3:31, either on the Zion side or a little south of the Sheep-gate.