Answer:

cayuga

Answer	Crossword Clue
CAYUGA	Domestic black-plumed duck
CAYUGA	Finger Lakes Iroquois
CAYUGA	Longest of the Finger Lakes

CAYUGA	Cornell's waters
CAYUGA	One of New York's Finger Lakes
CAYUGA	Cornell's lake.
CAYUGA	Longest of the Finger Lakes.
CAYUGA	Finger lake
CAYUGA	An Iroquois
CAYUGA	Iroquois confederate
CAYUGA	... Lake (one of New York's Finger Lakes)

CAYUGA	Iroquois Confederacy tribe