device
//dɪˈvaɪs//
Noun
deviceSingular
devicesPlural
1
A piece of equipment or a mechanism designed to serve a special purpose or perform a special function.
This device measures blood pressure accurately.
2
An electronic gadget or machine, especially a small portable one such as a smartphone, tablet, or computer.
She always carries several devices with her, including her smartphone and tablet.
3
A plan, scheme, or trick with a particular aim.
He used a clever device to avoid paying taxes.
4
A literary technique or artistic method used to achieve a particular effect.
The author uses flashback as a narrative device to reveal the character's past.