1. Noun: This is the most common use. It refers to a large amount of something, especially water, flowing rapidly.
* Example: "The recent storms caused torrential torrents of rain."
2. Adjective: It can also be used as an adjective, meaning "flowing in a rapid, powerful stream."
* Example: "The torrents river was difficult to cross."
3. Verb: In a more archaic usage, "torrent" can be a verb meaning "to flow rapidly" or "to rush violently." This usage is less common today.
* Example: "The water torrented down the hillside."
Therefore, without context, it's impossible to determine the specific part of speech "torrents" belongs to.