Definition of penknife in English:

penknife

Syllabification: pen·knife
Pronunciation: /ˈpenˌnīf
 
/

noun (plural penknives /-ˌnīvz/)

A small pocketknife with a blade that folds into the handle.
More example sentences
  • A sharp implement (a penknife or small screwdriver blade) driven into the timber would have had little resistance on entry or removal.
  • The washbag should only contain absolute musts and with the current climate no scissors, razor blades, penknives, etc unless you want them confiscated.
  • Some people do happen to have things like penknives in their pocket when they come into court.

Origin

so named because originally used for making and mending quill pens.

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