butterfly knife
noun
plural butterfly knives
: a folding knife with a handle made of two sections that pivot around to encase the blade when in the folded position
called also balisong
Cite this Entry
“Butterfly knife.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/butterfly%20knife. Accessed 19 Mar. 2026.
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