1. a tube used to move liquid from one container to another by atmospheric pressure

1. to draw off or transfer liquid through a tube
2. to take or divert something gradually

Examples

• He used a syphon to transfer gasoline from one tank to another.
• The old-fashioned soda syphon sat on the bar counter.
• They had to syphon water from the flooded basement.
• The company was accused of syphoning funds from the charity.
• She learned to syphon wine without disturbing the sediment.
• The mechanic will syphon the old oil from the engine.