Kitchen Knife
noun
Wrap up the street and take it away. I cut it apart with my kitchen knife (don't ask why this word comes from these kanji). Just imagine yourself using a kitchen knife to cut up the street so you can wrap it up and take it away.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
包丁を研いで二、三時間潰しました。
I killed a couple hours by sharpening my kitchen knife.