The Meaning Behind the “WC” Label You See on Bathroom Doors

If you’ve ever noticed the letters “WC” on a sign outside a public restroom, you’re certainly not the only one who has paused to wonder what it means. Around the world, people encounter a wide range of words for the same essential facility, including bathroom, restroom, toilet, washroom, lavatory, and WC.

The abbreviation “WC” is especially common in Europe and in international places such as airports, train stations, hotels, and tourist areas. Although it may seem unusual at first glance, the meaning is quite simple and comes from the early history of indoor plumbing and sanitation systems.