מִקְוָה miqvâh

Meaning

a collection, i.e. (of water) a reservoir

In the King James Version: ditch.

Derivation: feminine of H4723 (מִקְוֶה);

Where it is used

• Isaiah 22:11 You built a reservoir between the walls for the waters of the ancient pool, but you did not look to the One who made it, or consider Him who planned it long ago.