n. [ Dew + lap to lick. ] 1. The pendulous skin under the neck of an ox, which laps or licks the dew in grazing. [ 1913 Webster ]
2. The flesh upon the human throat, especially when with age. [ Burlesque ] [ 1913 Webster ]
On her withered dewlap pour the ale. Shak. [ 1913 Webster ]
a. Furnished with a dewlap. [ 1913 Webster ]