penknife
noun, verb
Forms penknives penknifes penknifing penknifed
- noun A small pocketknife; (loosely) any pocketknife.
- noun (dated) A small knife designed for safe and convenient storage, typically in the form of a miniature clasp-knife, or with blade retractable into the handle.
- noun (archaic) A small knife for cutting the points of quill feathers or reeds into nibs to provide or repair writing implements, early versions were commonly small sheath knives.
- verb (transitive) To cut or carve with a penknife.
Etymology
From Middle English penne knyfe; equivalent to pen + knife. In the original sense, named for its purpose: aiding the use of a (traditional) ink pen through the following tasks: trimming the tip of a quill pen, trimming a reed for a nib, and (in some cases) allowing erasure by scraping away some ink.
Webster’s 1913
Etymology [Pen + knife.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “penknife”, CC BY-SA 4.0. Details