Knife __, Device for Keeping a True Cutting Edge

This page is the CodyCross answer for the clue below from Department Store, Group 510, Puzzle 1 (Saks Fifth Avenue).

Question is: Knife __, Device for Keeping a True Cutting Edge

and the answer is: SHARPENER

Word Meaning:

SHARPENER — A device for making things sharp.

Definitions from Wiktionary.

Knife __, device for keeping a true cutting edge — CodyCross Answer | CodyCross Solutions