Definition - What does iDevice mean?
iDevice is an unofficial term broadly used for mobile or portable devices manufactured by Apple Inc. The device name starts with the "i" and uses the iOS operating system.
The iOS supports numerous devices and holds a variety of storage capacities depending on the version. Some examples of iDevices include the iPad, iPod, iPhone and iPod Touch.
Techopedia explains iDevice
The iDevice control interface is typically made up of switches, buttons and sliders. Response to a user’s input is generally instantaneous. Some ground-breaking functions, such as multitouch, wer first introduced on iDevices.