The meaning of BUY is to acquire possession, ownership, or rights to the use or services of by payment especially of money : purchase. How to use buy in a sentence. Free shipping on millions of items. Get the best of Shopping and Entertainment with Prime. Enjoy low prices and great deals on the largest selection of everyday essentials and other products, including fashion, home, beauty, electronics, Alexa Devices, sporting goods, toys, automotive, pets, baby, books, video games, musical instruments, office supplies, and more. Use the Best Buy store locator to find stores in your area. Then, visit each Best Buy store's page to see store hours, directions, news, events and more. Marketplace: Buy and sell locally with ease. List items fast, chat with buyers, and find great deals using our location-based mobile app today. Official website for Costsco Wholesale. Shop by departments, or search for specific item(s). Shop at Best Buy for computers and tablets. Find laptops, desktops, all-in-one computers, monitors, tablets and more. Visit your local Best Buy at 5575 S Virginia St in Reno, NV for electronics, computers, appliances, cell phones, video games & more new tech. In-store pickup & free shipping. Buy or sell new and used items easily on Facebook Marketplace, locally or from businesses. Find great deals on new items shipped from stores to your door. 1. Something bought or for sale; a purchase. 2. An act of purchasing: a drug buy. 3. Something that is underpriced; a bargain. BUY definition: 1. to get something by paying money for it: 2. to pay someone so that they do what you want or do…. Learn more.