tapping on

Verb

tap on (third-person singular simple present taps on, present participle tapping on, simple past and past participle tapped on)

1. (transitive) To strike an object or a person lightly and swiftly.
2. (intransitive) To initiate an electronic ticketing process at the start of a public transport journey by holding a chipcard or a mobile device close to a terminal or reader
   • Launching Monday, the new multi-rider feature will allow up to five riders to use the same Key card when taking a SEPTA bus, trolley, the Broad Street Line, the Market-Frankford Line, the Norristown High Speed Line and Regional Rail.(…) Riders will need to tap on and tap off to get the correct fare.2024 February 25, Cory Sharber, “SEPTA rolls out new multi-rider feature for Key card holders”, in WHYY, retrieved 11 Jan 2025

   Synonyms:

   tap in, touch in