We found 7 dictionaries that define the word rapid eye movements:

General (3 matching dictionaries)

1. rapid eye movements: Merriam-Webster
2. rapid eye movements: Collins English Dictionary
3. rapid eye movements: TheFreeDictionary.com

Computing (1 matching dictionary)

4. rapid eye movements: Encyclopedia

Medicine (3 matching dictionaries)

5. rapid eye movements: Merriam-Webster Medical Dictionary
6. online medical dictionary (No longer online)
7. rapid eye movements: Medical dictionary

(Note: See rapid_eye_movement as well.)

Definitions from Wiktionary (rapid eye movement) ▸ noun:  Fast movement of the eyes, characterising REM sleep ▸ Also see rapid_eye_movement ▸ Words similar to rapid eye movements ▸ Usage examples for rapid eye movements ▸ Idioms related to rapid eye movements ▸ Wikipedia articles (New!) ▸ Words that often appear near rapid eye movements ▸ Rhymes of rapid eye movements ▸ Invented words related to rapid eye movements