subreddit

noun

1. (Internet)Any of the subforums, generally intended for discussion of a specific topic, on the Reddit web site.

   “They wanted to give voice to their feeling, in one moderator’s words, that the company’s bosses ‘‘do not respect the work that is put in by the thousands of unpaid volunteers who maintain the communities of the 9,656 active subreddits,’’ as the individual forums are called.”

   “We measure the similarity between entire subreddits both in terms of user similarity and topical similarity.”

   “Online forums dedicated to incel culture are a reliable way to see how the term evolved and is used today. A subreddit, or forum on Reddit, called r/incels was one of the most visible meeting places for self-identified incels until it was banned by Reddit in 2017 for “violent content.””

2. (form-of, rare)Rare form of subreddit.

   “Together, these votes organize and prioritize the thousands of posts going up in Reddit’s more than 5,000 categories, called subReddits. […] Decide on a page title and select a “subReddit” category for your reporting. You will want to browse the subReddit categories. SubReddits you might choose from include Advertising, Journalism, Public Relations, News, or Photojournalism. Subscribing to some subReddit categories will order or organize your homepage and cut down on the clutter.”