We found 3 dictionaries that define the word rest periods:

General (3 matching dictionaries)

1. rest periods: Merriam-Webster
2. rest periods: Collins English Dictionary
3. rest periods: Vocabulary.com

(Note: See rest_period as well.)

Definitions from WordNet (rest period) ▸ noun:  a pause for relaxation ▸ Also see rest_period Phrases: afternoon rest periods, more... ▸ Words similar to rest periods ▸ Usage examples for rest periods ▸ Idioms related to rest periods ▸ Wikipedia articles (New!) ▸ Words that often appear near rest periods ▸ Rhymes of rest periods ▸ Invented words related to rest periods