What does bootable device mean?

Meaning: bootable device

device Pronunciation English [d?va?s]? American [d?va?s]?

n. device, equipment; means, method; gimmick, trick; bomb, explosive device; drawing, design; <ancient> (something's) style, appearance

[ plural devices ]

phrase

device driver?driver ;? [device driver?] device driver ; device driver ; drivers

medical device?medical device ; medical equipment ; medical devices

Input Device? Input Device ;? [Input Device?] Input Device

Word Usage:

device means "something that is designed, thought up".

He devised something by which much time could be saved, but his device did not prove practical.

He devised something by which much time could be saved, but his device did not prove practical.

Leave him to his own devices is an idiomatic expression meaning to leave him to his own devices. Note that the plural form of devices, devices, is used here.