0 a small knife that folds into a case and is usually carried in a pocket --
1 a small knife with one or more blades that can be folded into its handle --
She started carving an old piece of wood with a pocketknife and an old file borrowed from a blacksmith.
Those still alive at the end had their throats cut by a union man with a pocketknife.
He cut up the sign with his pocketknife.
There was a young man, a kid, and he had a pocketknife.
