What is the antonym for spigot?

There isn't a single perfect antonym for "spigot," as the word's meaning can be slightly nuanced depending on context. However, here are some possibilities:

Based on function:

* Faucet (more general term)

* Valve (a device controlling flow)

* Tap (British English for faucet)

* Closure (general term for something that stops flow)

Based on opposite action:

* Stopper

* Plug

* Clog

Based on opposite location:

* Reservoir (where the water originates)

* Source

* Tank

The best antonym depends on the specific context in which you are using the word "spigot."