'Hush money' definitions:

Definition of 'hush money'

From: WordNet
noun
A bribe paid to someone to insure that something is kept secret

Definition of 'Hush money'

From: GCIDE
  • Hush \Hush\, n. Stillness; silence; quiet. [R.] "It is the hush of night." --Byron. [1913 Webster]
  • Hush money, money paid to secure silence, or to prevent the disclosure of facts. --Swift. [1913 Webster]