Meaning of DEVICE in English
1》 a thing made or adapted for a particular purpose, especially a piece of equipment mechanical or electronic.
2》 a plan, scheme, or trick.
↘a turn of phrase intended to produce a particular effect.
3》 a drawing or design.
↘an emblematic or heraldic design.
4》 archaic design or look: works of strange ~.
leave someone to their own ~s leave someone to do as they wish without supervision.
ME (in sense 'desire or intention'): from OFr. devis , based on L. divis- , dividere 'to divide'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004