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
And Joab the son of Zeruiah and the servants of David went out and met them at the pool of Gibeon. And they sat down, the one on the one side of the pool, and the other on the other side of the pool.
And David commanded his young men, and they killed them and cut off their hands and feet and hanged them beside the pool at Hebron. But they took the head of Ish-bosheth and buried it in the tomb of Abner at Hebron.
Your neck is like an ivory tower. Your eyes are pools in Heshbon, by the gate of Bath-rabbim. Your nose is like a tower of Lebanon, which looks toward Damascus.
And the LORD said to Isaiah, "Go out to meet Ahaz, you and Shear-jashub your son, at the end of the conduit of the upper pool on the highway to the Washer's Field.
and you saw that the breaches of the city of David were many. You collected the waters of the lower pool,
You made a reservoir between the two walls for the water of the old pool. But you did not look to him who did it, or see him who planned it long ago.