1. A contrivance or an invention serving a particular purpose, especially a machine used to perform one or more relatively simple tasks.
a. A technique or means.
b. A plan or scheme, especially a malign one.
3. A literary contrivance, such as parallelism or personification, used to achieve a particular effect.
4. A decorative design, figure, or pattern, as one used in embroidery. See Synonyms at figure.
5. A graphic symbol or motto, especially in heraldry.
6. Archaic The act, state, or power of devising.
leave to (ones) own devices
To allow to do as one pleases: left the child to her own devices for an hour in the afternoon.
[Middle English, from Old French devis, division, wish, and Old French devise, design, both from Latin dvsus, dvsa, past participle of dvidere, to divide, separate; see divide.]
device /dvas/ n.1 an electrical or mechanical machine: The computer is an electronic device.2 a tool or implement: An electric can opener is also a device.3 a trick or secret means to an end: His outbursts of anger are just a device to move everyones attention from his guilt.4to leave to ones own devices: to leave s.o. alone without help or interference
Thesaurus: device 1 an instrument, mechanism 2 an appliance, contraption, gadget 3 a scheme, stratagem.