verb (used without object), ul·u·lat·ed, ul·u·lat·ing.
- to howl, as a dog or a wolf; hoot, as an owl.
- to utter howling sounds, as in shrill, wordless lamentation; wail.
- to lament loudly and shrilly.
- (intr) to howl or wail, as with grief
v.1620s, from Latin ululatus, past participle of ululare (see ululation). Related: Ululated; ululating.