Ululate / UL-yuh-layt / intransitive verb
To howl, as a dog or a wolf; to wail; as, ululating jackals.
He had often dreamed of his grieving family visiting his grave, ululating as only the relatives of martyrs may.
-- Edward Shirley, Know Thine Enemy: A Spy's Journey into Revolutionary Iran
She wanted to be on the tarmac, to ululate and raise her hands to the heavens.
-- Deborah Sontag, "Palestinian Airport Opens to Jubilation", New York Times, November 25, 1998
She used harrowing, penetrating nasal tones and a rasp that approached Janis Joplin's double-stops; she made notes break and ululate.
-- Jon Pareles, "On the Third Day There Was Whooping and There Was Moshing", New York Times, Ausust 18, 1998