‖prop. n. [ L., a screech owl. ] (Zool.) A genus of owls including the great gray owl (Ulula cinerea) of Arctic America, and other similar species. See Illust. of Owl. [ 1913 Webster ]
a. Howling; wailing. [ 1913 Webster ]
v. i.
n. [ L. ululatio. ] A howling, as of a dog or wolf; a wailing. [ 1913 Webster ]
He may fright others with his ululation. Wither. [ 1913 Webster ]