We found 10 dictionaries that define the word ice ages:

General (8 matching dictionaries)

1. ice ages: Merriam-Webster
2. ice ages: Collins English Dictionary
3. ice ages: Vocabulary.com
4. ice ages: Cambridge Advanced Learner's Dictionary
5. Ice Ages, ice ages: Wiktionary
6. ice ages: Dictionary.com
7. Ice Ages (band), Ice Ages, Ice ages: Wikipedia, the Free Encyclopedia
8. Ice Ages: TheFreeDictionary.com

Computing (1 matching dictionary)

9. Ice Ages: Encyclopedia

Science (1 matching dictionary)

10. From Stargazers to Starships Glossary (No longer online)

(Note: See ice_age as well.)

Definitions from Wikipedia (Ice Ages) ▸ noun:  an Austrian dark electro/industrial darkwave band signed to Napalm Records. Opposite: interglacial period, warming period, thaw Phrases: little ice ages, more... ▸ Words similar to ice ages ▸ Usage examples for ice ages ▸ Idioms related to ice ages ▸ Wikipedia articles (New!) ▸ Words that often appear near ice ages ▸ Rhymes of ice ages ▸ Invented words related to ice ages