SIM card

noun \ˈsim-\

Definition of SIM card

  1. :  a card that is inserted into a device (as a cell phone) and that is used to store data (as phone numbers or contact information)

Origin and Etymology of sim card

subscriber identity module

First Known Use: 1991

Seen and Heard

What made you want to look up SIM card? Please tell us where you read or heard it (including the quote, if possible).