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
Then Joab the son of Zeruiah and the servants of David went out, and they met at the pool of Gibeon. The one group sat on one side of the pool, and the other sat on the other side.
Then David commanded the young men, and they killed them, and they cut off their hands and their feet, and they hung [them] at the pool at Hebron, but the head of Ish-Bosheth they took and buried in the grave of Abner at Hebron.
Your neck [is] like a tower of ivory; your eyes [are] pools in Heshbon at the gate of Beth Rabbim. Your nose [is] like the tower of Lebanon {looking out over Damascus}.
Then Yahweh 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 of [the] washer's field.
and you saw that the breaches in the walls of the city of David were many, and you gathered the waters of the lower pool.
And you made a reservoir between the walls for the waters of the old pool, but you did not look to its maker, and you did not see {the one who created it long ago}.