ナイフ

ないふ
noun
knife
1. knife
A cutting tool with a blade, used for eating or cutting. From English 'knife.'
I use a knife and fork.
Please cut the meat with a knife.
This knife cuts well.

ナイフ is from English "knife" and primarily refers to table knives used for eating Western food.

TYPES OF KNIVES IN JAPANESE:

COMMON EXPRESSIONS:

USAGE NOTE:
When dining on Western food in Japan, ナイフフォーク (knife and fork) are used, while traditional Japanese food uses (はし) (chopsticks).