1. A valve and spout used to regulate delivery of a fluid at the end of a pipe. 2. A plug for a bunghole; a spigot. 3. 1. Liquor drawn from a spigot. 2. Liquor of a particular brew, cask, or quality. 4. Medicine. The removal of fluid from a body cavity: a spinal tap. 5. A tool for cutting an internal screw thread. 6. A makeshift terminal in an electric circuit. 7. A wiretap.