We found 20 dictionaries that define the word old growth:

General (16 matching dictionaries)

1. old growth: Longman Dictionary of Contemporary English
2. old-growth, old growth: Merriam-Webster
3. old-growth: Oxford Learner's Dictionaries
4. old growth: American Heritage Dictionary of the English Language
5. old growth: Vocabulary.com
6. Old-Growth, Old-growth, old-growth: Wordnik
7. old growth: Cambridge Advanced Learner's Dictionary
8. old-growth: Wiktionary
9. old-growth: Webster's New World College Dictionary, 4th Ed.
10. old growth: Infoplease Dictionary
11. old-growth, old growth: Dictionary.com
12. Old Growth (Dead Meadow album), Old Growth (album), Old-growth, Old growth: Wikipedia, the Free Encyclopedia
13. old growth: Rhymezone
14. old growth: FreeDictionary.org
15. old growth: Mnemonic Dictionary
16. old-growth, old growth: TheFreeDictionary.com

Business (1 matching dictionary)

17. Construction Term Glossary (No longer online)

Medicine (1 matching dictionary)

18. online medical dictionary (No longer online)

Tech (2 matching dictionaries)

19. OLD GROWTH: NATURAL RESOURCE INVENTORY
20. Lake and Water Word Glossary (No longer online)

(Note: See old_growths as well.)

Definitions from WordNet (old growth) ▸ noun:  forest or woodland having a mature or overly mature ecosystem more or less uninfluenced by human activity Opposite: new growth, young growth, regrowth Phrases: old growth forests, old growth forest feature, more... ▸ Words similar to old growth ▸ Usage examples for old growth ▸ Idioms related to old growth ▸ Wikipedia articles (New!) ▸ Words that often appear near old growth ▸ Rhymes of old growth ▸ Invented words related to old growth