Why are can openers called church key?

Answered by Jesse Garza

The origin of the term “church key” to refer to can openers is an intriguing one. It is believed that the name arose due to a resemblance or association with the keys used by monks to protect their prized beers in cellars within monasteries. These cellars were guarded closely by the monks, who held the exclusive keys to access them.

Imagine the scene of a monastery, with its peaceful ambiance and dedicated monks meticulously crafting and aging their beers. These beers were often stored in large, sturdy containers, such as or kegs, to allow them to mature and develop their flavors over time. To safeguard these precious beverages, the monks would secure them in lager cellars, which were locked away from prying eyes and hands.

The keys used to open these lager cellars likely had a distinctive shape or design, reminiscent of the traditional keys used in churches or monasteries. These keys were often long and slender, with a curved or hook-like end that allowed them to easily slide into the lock and turn. It is plausible that the can openers, with their elongated shape and similar function of unlocking something, reminded someone of these church or monastery keys.

The term “church key” may have originated from people observing the resemblance or association between the can openers and the keys used by monks. Over time, this name became a colloquial term for can openers, especially in certain regions or communities where monasteries and the tradition were prevalent.

It is fascinating to think about the historical context and the cultural significance that gave rise to this unique term. The monks' dedication to their craft and their need to protect their beers from unauthorized access led to the creation of lager cellars and the keys that guarded them. This connection between the keys used by monks and can openers adds an interesting layer to the story of how language evolves and how objects can become associated with certain names or terms.

The term “church key” for can openers likely emerged due to the resemblance or association between the keys used by monks to protect their aging beers in lager cellars. The shape or function of the can opener reminded someone of these keys, either due to their similar appearance or their shared purpose of unlocking something. The term has since become a colloquial name for can openers, adding a touch of history and tradition to the act of opening a can.