Merriam-Webster, an Encyclopaedia Britannica company, has been America's leading provider of language information for more than 180 years. Each month, our award-winning websites, apps, and social media channels offer guidance to tens of millions of visitors. In print, our publications include Merriam-Webster's Collegiate Dictionary (among the best-selling books in American history) and dictionarie
![About Merriam-Webster](https://cdn-ak-scissors.b.st-hatena.com/image/square/35336f097c3d33dee66ad8f0ce588241c5fdebc4/height=288;version=1;width=512/https%3A%2F%2Fmerriam-webster.com%2Fassets%2Fmw%2Fstatic%2Fsocial-media-share%2Fmw-logo-245x245%401x.png)