penknife

A small pocketknife.

A small pocket-knife: so called from its former use in making and mending quill pens.

A small pocketknife; formerly, a knife used for making and mending quill pens.

A small pocketknife; a small knife with a blade which folds into the hand. Penknives often incorporate other tools such as corkscrews, and are generally smaller than pocketknives as a group.

a small pocketknife; originally used to cut quill pens