1. A loud, raucous sound: This is the most common meaning. It's often used to describe the sound of an owl, but can also be used for other loud, sudden noises.
* Example: "The owl gave a loud hoot as it flew past."
* Example: "The car horn gave a sudden hoot, startling the pedestrians."
2. Something that is very funny or enjoyable: This meaning is more informal and often used as slang.
* Example: "That party was a hoot! I laughed so hard."
* Example: "His jokes are always such a hoot."
3. A shout or a cry: This meaning is less common, but it can be used to describe a loud, forceful utterance.
* Example: "The captain gave a hoot to his crew to get them moving."
In general, "hoot" is a very informal word, and is often used to convey a sense of excitement, fun, or amusement.