Answer:

argentine

Answer	Crossword Clue
ARGENTINE	Fish with a silvery luster
ARGENTINE	Buenos Aires resident
ARGENTINE	Silvery

ARGENTINE	Peronista.
ARGENTINE	Scene of important election this Sunday.
ARGENTINE	Native of Bahia Blanca.
ARGENTINE	Native of Rosario.
ARGENTINE	Frondizi's country (with "the").
ARGENTINE	S. American region.
ARGENTINE	Resident of the largest Spanish-speaking nation
ARGENTINE	Silver

ARGENTINE	Like some tangos
ARGENTINE	Marine fish named for its silver color
ARGENTINE	Containing silver