You searched for: “tap
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tap (TAP) (verb)
To strike with light blows: "They could hear the rain tap on the metal roof."
tap (TAP) (noun)
A water faucet: "She forgot to turn off the tap in the kitchen and the sink overflowed and flooded the floor."
tap (TAP) (noun)
A piece that makes a heel or sole of a shoe thicker: "He had a metal tap put on each of his shoes so he could pretend that he was a tap dancer."

When the plumber came to fix the water tap, she used a hammer to tap the pipes. It was obvious that she also had taps on the heels of her shoes because the clicking was quite loud when she walked on the floor.