Definition 1 of 2
A pencil sharpner.
Teacher - Don't use a blade to sharpen your pencils. Use a mender
Added 2013-05-06 by Wooo my Gaaad!!!
Definition 2 of 2
If you did your schooling in Karnataka, and had addressed your (female)teachers as Miss and know what a Duster is, then your geometry box always had this.
Mender is synonym for pencil sharpener.
Added 2011-12-31 by MeekZilla