penlight
noun
- flashlight with similar form-factor as a pen, to enable easy storage in clothing pockets
Wiktionary
noun
Etymology: Etymology tree English pen Proto-Indo-European *lewk-der. Proto-Germanic *leuhtaz Proto-West Germanic *leuht Old English lēoht Middle English light English light English penlight From pen + light.
- A small torch or flashlight that resembles a fountain pen.