What is the meaning of Hush?

To become quiet.

To make quiet.

To appease; to allay; to soothe.

A silence, especially after some noise.

To rush, to gush.

To send forth a rush of water over (some ground) so as to clear off the soil and other materials overlying, and thus uncover or separate out, ore.

Water which has been used to clear the soil off of some (area of) rock or ore.

A part of a mine or quarry where ore is to be, or has been, excavated by an artificial flow of water.

there, there (calm somebody)

be quiet

Source: wiktionary.org