What is "a note shaver"

Shaver \Shav"er\, n.

1. One who shaves; one whose occupation is to shave.

2. One who is close in bargains; a sharper.
   --Swift.

3. One who fleeces; a pillager; a plunderer.

   By these shavers the Turks were stripped.
   --Knolles.

4. A boy; a lad; a little fellow. [Colloq.] ``These unlucky little shavers.''
   --Salmagundi.

   As I have mentioned at the door to this young shaver, I am on a chase in the name of the king.
   --Dickens.

5. (Mech.) A tool or machine for shaving.

   A note shaver, a person who buys notes at a discount greater than the legal rate of interest. [Cant, U.S.]