hushing (Noun) — A fricative sound (especially as an expression of disapproval). ex. "the performers could not be heard over the hushing of the audience"
hushing (Verb) — Become quiet or still; fall silent. ex. "hush my baby!"
hushing (Verb) — Cause to be quiet or not talk. ex. "Please hush the children in the church!"
hushing (Verb) — Become quiet or quieter.
hushing (Verb) — (mining) wash by removing particles.
hushing (Verb) — (mining) run water over the ground to erode (soil), revealing the underlying strata and valuable minerals.