D defs.my
Entry 1 sense Webster, 1913

Ululate

· Ul·u·late · IPA /ˈjuːljuleɪt/
01 v. i. To howl, as a dog or a wolf; to wail; as, ululating jackals.
imp. & p. p. Ululated; p. pr. & vb. n. Ululating
  1. 1.
    To howl, as a dog or a wolf; to wail; as, ululating jackals.