We found 5 dictionaries that define the word rack brains:

General (1 matching dictionary)

1. rack brains: TheFreeDictionary.com

Business (1 matching dictionary)

2. rack brains: Legal dictionary

Computing (1 matching dictionary)

3. rack brains: Encyclopedia

Medicine (1 matching dictionary)

4. rack brains: Medical dictionary

Miscellaneous (1 matching dictionary)

5. rack brains: Idioms

Phrases: rack one's brains, rack ones brains, to rack one's brains, to rack ones brains, more... ▸ Words similar to rack brains ▸ Usage examples for rack brains ▸ Idioms related to rack brains ▸ Wikipedia articles (New!) ▸ Words that often appear near rack brains ▸ Rhymes of rack brains ▸ Invented words related to rack brains