The story
From gravity + knife. From being a folding knife that could be opened by allowing gravity to draw out the blade.
Etymology from Wiktionary, CC BY-SA 4.0.
gravity knife
Today it means: A folding knife of this type. Full definition →
Today it means: A folding knife of this type. Full definition →
From gravity + knife. From being a folding knife that could be opened by allowing gravity to draw out the blade.
Etymology from Wiktionary, CC BY-SA 4.0.