vbl. sb. [f. BLUNT v. + -ING1.] The action of making or of becoming blunt; anything in which this action is realized.
1611. Cotgr., Espointement, an vnpointing; a blunting; a breaking the point of.
1656. Artif. Handsomeness, 72. Not impediments or bluntings, but rather as Whetstones, to set an edge on our desires.
1870. Eng. Mech., 7 Jan., 397/2. We remarked this blunting of the horn.