tap
n. countable B2 Upper Intermediate Oxford US //ˈtæp// UK //tˈæp// tap
n. a device that controls the flow of liquid from a pipe or container. You turn its handle to get water in a kitchen or bathroom.
n. a valve controlling the release of a liquid or gas from a pipe or container.
She turns on the tap to wash her hands.
The kitchen tap has been dripping all night, so we'll need to call a plumber.
The historic pub prided itself on its selection of craft beers, each drawn from a gleaming, ornate tap mounted on the polished oak bar.
Usage
Standard in British English for a domestic water outlet. In American English, 'faucet' is more common in this context, while 'tap' is often reserved for dispensing beverages like beer.