Tag on

verb

Definitions

Verb
  1. 1
    To hover an RFID device such as a smartcard over a receiver, often with a graphical user interface, in order to make a payment or gain access to the vehicle.

    "Contactless smart card readers can be mounted at each door of an LRT car, allowing a rider to “tag on” and “tag off” on boarding and alighting the vehicle."

  2. 2
    fix to; attach wordnet

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