We found 6 dictionaries that define the word class B:

General (2 matching dictionaries)

1. Class-B, class-B: Wordnik
2. Class B: Wikipedia, the Free Encyclopedia

Computing (2 matching dictionaries)

3. Class B (disambiguation), Class B, Class B: Encyclopedia

Tech (2 matching dictionaries)

4. Rane Professional Audio Reference (No longer online)
5. Sweetwater Music (No longer online)

Definitions from Wikipedia (Class B) ▸ noun:  a Paralympic wheelchair fencing classification. Phrases: class b drug, class b drugs, class b amplifier, class b shares, class a class b shares, more... ▸ Words similar to class B ▸ Usage examples for class B ▸ Idioms related to class B ▸ Wikipedia articles (New!) ▸ Words that often appear near class B ▸ Rhymes of class B ▸ Invented words related to class B