a person or thing that shreds.
a machine for destroying secret or private documents by shredding them.
any of various devices used to shred crops, vegetables, wood, metal, etc.

Origin of shredder

First recorded in 1565–75; shred + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for shredder

Contemporary Examples of shredder

Historical Examples of shredder

Word Origin and History for shredder

1570s, agent noun from shred (v.). In the paper disposal sense from 1950.

Online Etymology Dictionary, © 2010 Douglas Harper