What does "hoot" mean?

Hoot: To make the peculiar cry of an owl. The clamorous owl that nightly hoots. Shak.

Additional senses

  1. 2.To assail with contemptuous cries or shouts; to follow with derisive shouts. Partridge and his clan may hoot me for a cheat. Swift.
  2. 3.A derisive cry or shout. Glanvill.
  3. 4.The cry of an owl. Hoot owl (Zoöl.), the barred owl (Syrnium nebulosum). See Barred owl.

Sources