We found 8 dictionaries that define the word mental note:

General (7 matching dictionaries)

1. mental note: Vocabulary.com
2. mental note: Cambridge Advanced Learner's Dictionary
3. mental note: Dictionary.com
4. mental note: Rhymezone
5. mental note: FreeDictionary.org
6. mental note: Mnemonic Dictionary
7. mental note: TheFreeDictionary.com

Slang (1 matching dictionary)

8. Mental Note: Urban Dictionary

(Note: See mental_notes as well.)

Definitions from WordNet (mental note) ▸ noun:  speical attention with intent to remember ("He made a mental note to send her flowers") Phrases: make a mental note, made a mental note, more... ▸ Words similar to mental note ▸ Usage examples for mental note ▸ Idioms related to mental note ▸ Wikipedia articles (New!) ▸ Words that often appear near mental note ▸ Rhymes of mental note ▸ Invented words related to mental note