network bridge vs device

network bridge and device both are nouns.

Word	Noun	Adjective	Verb	Adverb
network bridge	Yes	No	No	No
device	Yes	No	No	No

As nouns, device is a hypernym of network bridge; that is, device is a word with a broader meaning than network bridge:

network bridge (noun)	device (noun)
a network device that connects multiple network segments.	any clever maneuver
	an instrumentality invented for a particular purpose
	an emblematic design (especially in heraldry)
	any ornamental pattern or design (as in embroidery)
	something in an artistic work designed to achieve a particular effect