scanner
n. countablen. a machine that looks at a physical document or picture and makes a digital copy for your computer. You can also use it at a shop to read the price on a product.
n. a device that optically examines images, printed text, or objects and converts them into digital data. Often integrated into multi-function printers or used as handheld tools for reading barcodes.
I need to use the scanner to send you this signed contract.
The cashier used a handheld scanner to quickly ring up all the groceries in the cart.
High-resolution scanners allow historians to archive fragile manuscripts without risking damage to the original paper through excessive handling.
From scan + -er.
Commonly used in compound nouns like 'barcode scanner', 'flatbed scanner', or 'security scanner'.