An object, machine, or piece of equipment that has been made for a specific purpose, typically a mechanical or electronic invention. noun
She used a device to measure the temperature.
The smartphone is a popular electronic device.
A plan, scheme, or trick with a particular aim. noun
The spy used a clever device to escape from the building.
The mystery novel was full of devices to mislead the reader.
A literary technique used to achieve a particular effect, such as a metaphor or simile. noun
The author used irony as a device to enhance the story.
Foreshadowing is a common device in suspense novels.
A decorative design or emblem, often used in heraldry. noun
The knight's shield bore a device of a lion.
The family crest featured a device of crossed swords.