1. a small folding knife with one or more blades that can be carried in a pocket

Examples

• He used his pocketknife to cut the rope.
• The scout always carried a pocketknife on camping trips.
• She opened the package with a small pocketknife.
• The pocketknife had three different blades.
• My grandfather gave me his old pocketknife.
• The hiker used her pocketknife to prepare lunch.