tapping

noun

1. (countable, uncountable)An act of making a light hit or strike against something.

   “As he was speaking there was a soft tapping at the door. I went over and opened it […]”

   “She has rapid and powerful footwork, but she doesn’t wow you with any special trills or woodpecker tappings.”

2. (countable, uncountable)A guitar technique in which the strings are tapped against the fingerboard
3. (countable, uncountable)The process by which a resource is tapped or exploited.

   “Competitive tappings of a common oil pool can lead only to waste and overproduction, unless rigidly regulated […]”

4. (countable, uncountable)A connection made to some point between the end terminals of a transformer coil or other component.

   “The essential feature is that two adjacent transformer tappings are connected to the load simultaneously, each connection having a self-excited transductor in series; […].”

verb

1. (form-of, gerund, participle, present)present participle and gerund of tap