Reference: Fish-pools
Easton
(Song 7:4) should be simply "pools," as in the Revised Version. The reservoirs near Heshbon (q.v.) were probably stocked with fish (2Sa 2:13; 4:12; Isa 7:3; 22:9,11).
See Verses Found in Dictionary
Joab son of Zeruiah and the servants of David also went out and confronted them at the pool of Gibeon. One group stationed themselves on one side of the pool, and the other group on the other side of the pool.
So David issued orders to the soldiers and they put them to death. Then they cut off their hands and feet and hung them near the pool in Hebron. But they took the head of Ish-bosheth and buried it in the tomb of Abner in Hebron.
Your neck is like a tower made of ivory. Your eyes are the pools in Heshbon by the gate of Bath-Rabbim. Your nose is like the tower of Lebanon overlooking Damascus.
So the Lord told Isaiah, "Go out with your son Shear-jashub and meet Ahaz at the end of the conduit of the upper pool which is located on the road to the field where they wash and dry cloth.
You saw the many breaks in the walls of the city of David; you stored up water in the lower pool.
You made a reservoir between the two walls for the water of the old pool -- but you did not trust in the one who made it; you did not depend on the one who formed it long ago!