Triangulum Australe vs constellation

Triangulum Australe and constellation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Triangulum Australe	Yes	No	No	No
constellation	Yes	No	No	No

Triangulum Australe (noun)	constellation (noun)
a small bright constellation in the polar region of the Southern Hemisphere near Circinus and Apus	an arrangement of parts or elements
	a configuration of stars as seen from the earth