device vs heraldry

device and heraldry both are nouns.

Word	Noun	Adjective	Verb	Adverb
device	Yes	No	No	No
heraldry	Yes	No	No	No

device (noun)	heraldry (noun)
any clever maneuver	emblem indicating the right of a person to bear arms
an instrumentality invented for a particular purpose	the study and classification of armorial bearings and the tracing of genealogies
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