In numismatics, reeded edges are often referred to as "ridged" or "grooved" (US usage), or "milled" (UK usage). Some coins, such as United States quarters and dimes, have reeded edges. One reason for having reeded edges was to prevent counterfeiting. Another benefit of certain coins having reeded edges is that it helps enable different coin denominations to be easily identified and distinguished from each other by sense of touch alone.
Historically, reeding was used to prevent damage to coins. Currency coins were minted from precious metals like gold and silver. Hence it was common for people to shave some of the metal from the coins. Since shaving went unnoticed unless the coin was closely inspected and compared to an undamaged coin, such practices often went unchecked. Reeding prevented shaving of the edges as a smooth edge on such a coin would be a clear indicator of tampering.
In furniture, reeding is sometimes used around bedposts, and the legs of tables and chairs. Its use in this fashion was inspired by Greek and Roman architectural styles, and is the opposite of fluting.
- The Free Dictionary: "Reeding"
- Dictionary.com: "Reeding"
- Concise Oxford Dictionary (2006): mill, produce regular ribbed markings on the edge of (a coin)
- About.com: "Reeded Edge Defined - What is a Reeded Edge?"
- Why do some coins have ridges around the edges?
- Zaggy et al. "Coin Edges". Coin Community. Retrieved July 14, 2014. Not a particularly reliable source, but intelligent commentary, with a good illustration.
- "reeded leg"
- Encyclopædia Britannica: "Fluting and Reeding"