pocketknife

/ˈpɑkɪtˌnaɪf/
noun
  1. A small knife with one or more blades that fold into the handle, designed to be carried in a pocket.
    • My grandfather always carried a pocketknife for whittling wood.
    • He used his pocketknife to open the box of camping supplies.
    • The scout used a pocketknife to cut a piece of rope for the tent.
Synonyms