1. (noun) a natural flow of ground water

• natural spring
• outflow
• outpouring
• spring

2. (noun) an artificially produced flow of water

• jet

3. (noun) a plumbing fixture that provides a flow of water

• fount

1. (noun) a structure from which an artificially produced jet of water arises

• bubbler
• drinking fountain
• water fountain

2. (noun) a natural flow of ground water

• fountain of youth
• geyser
• hot spring
• thermal spring

1. (noun) a structure from which an artificially produced jet of water arises

• construction
• structure

2. (noun) a natural flow of ground water

• formation
• geological formation

3. (noun) an artificially produced flow of water

• flow
• flowing

4. (noun) a plumbing fixture that provides a flow of water

• plumbing fixture

1. (noun) an artificially produced flow of water

• gush
• jet