plural of hushing

Full of, pervaded by, or characteristic of stillness or silence; tending to hush to rest.

(idiomatic) Secretly; in secret.

(intransitive, informal) To become quiet; to cease making sounds. / (transitive) To keep secret, to prevent from becoming known.

A bribe to maintain secrecy (to prevent bad publicity or to prevent the discovery of a crime).

A series of modifications made to an aircraft's engine to dampen noise.

plural of hush kit

(intransitive, informal) To become quiet; to cease making sounds. / (transitive) To quieten; to make quiet

An enclosed, noise-suppressed testing facility for aircraft jet engines.

plural of hush house