noun
folding knife
A knife with a blade that folds into the handle; a common everyday term for a pocket knife.
キャンプにフォールディングナイフを持っていく。
I take a folding knife when I go camping.
Variant with a middle dot; less common but still seen.
A more Japanese-sounding synonym for 'folding knife', using native words. フォールディングナイフ is the direct loanword and sounds more modern or technical.
Loanword from English 'folding knife'.