Knife Making Terminology

noun a large, strong, pocketknife

verb to perform a dive in which the body is bent at the waist and the legs are brought up over the head

• The diver executed a perfect jackknife off the high diving board.
• I tried to do a jackknife off the pool edge but ended up belly flopping instead.
• That guy just did a sick jackknife off the cliff!
• The company's profits took a jackknife dive after the scandal was exposed.

noun a strip of leather, canvas, or other material used for sharpening razors or other cutting tools

• The barber used a leather strop to sharpen his straight razor.
• I always see my dad using a strop to keep his knives sharp.
• I need to strop my blade before I go hunting this weekend.
• His constant criticism felt like a strop on my self-esteem.