Dewlap

n.	1.	The pendulous skin under the neck of an ox, which laps or licks the dew in grazing.
	2.	The flesh upon the human throat, especially when with age. On her withered dewlap pour the ale. - Shak.

Noun

1.

dewlap - a hanging fold of loose skin on an elderly person's neck

cervix, cutis, neck, skin, tegument