No, Node is a runtime for javascript code, using the same V8 engine from the Chrome browser. It is similar to the JVM runtime for Java code and the CLR for C#, although of course there is no intermediate compilation step for javascript.
A webserver is one of many things that can be run using Node+JS, the point being that it's an entire runtime and can do pretty much anything any other language can do.
A webserver is one of many things that can be run using Node+JS, the point being that it's an entire runtime and can do pretty much anything any other language can do.