subforum
subforum · subforums · subfora
A single message board that is part of an online discussion forumA single message board that is part of an online discussion forum.
Meaning
1 senses(Internet)A single message board that is part of an online discussion forum.
Origin
From sub- + forum.From sub- + forum.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: subforums / subforaLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular