Shed definition: 1. a small building, usually made of wood, used for storing things: 2. a large, simple building…. learn more.. Search storage shed and thousands of other words in english definition and synonym dictionary from reverso. you can complete the definition of storage shed given by the english definition dictionary with other english dictionaries: wikipedia, lexilogos, oxford, cambridge, chambers harrap, wordreference, collins lexibase dictionaries, merriam webster....