We found 34 dictionaries that define the word hydrangea:

General (24 matching dictionaries)

1. hydrangea: Merriam-Webster
2. Hydrangea, hydrangea: Oxford Learner's Dictionaries
3. hydrangea: American Heritage Dictionary of the English Language
4. hydrangea: Collins English Dictionary
5. hydrangea: Vocabulary.com
6. Hydrangea, hydrangea: Wordnik
7. hydrangea: Cambridge Advanced Learner's Dictionary
8. hydrangea: Wiktionary
9. hydrangea: Webster's New World College Dictionary, 4th Ed.
10. hydrangea: The Wordsmyth English Dictionary-Thesaurus
11. hydrangea: Infoplease Dictionary
12. hydrangea: Dictionary.com
13. hydrangea: Online Etymology Dictionary
14. Hydrangea (disambiguation), Hydrangea (horse), Hydrangea: Wikipedia, the Free Encyclopedia
15. Hydrangea: Online Plain Text English Dictionary
16. hydrangea: Webster's Revised Unabridged, 1913 Edition
17. hydrangea: Rhymezone
18. Hydrangea: AllWords.com Multi-Lingual Dictionary
19. hydrangea: Webster's 1828 Dictionary
20. hydrangea: FreeDictionary.org
21. hydrangea: Mnemonic Dictionary
22. hydrangea: TheFreeDictionary.com

Art (1 matching dictionary)

23. Hydrangea: Health & Beauty Glossary

Computing (1 matching dictionary)

24. hydrangea: Encyclopedia

Medicine (4 matching dictionaries)

25. hydrangea: Merriam-Webster Medical Dictionary
26. Medical Dictionary (No longer online)
27. online medical dictionary (No longer online)
28. Hydrangea: Medical dictionary

Science (3 matching dictionaries)

29. Hydrangea: Botanical Name listing of Plants
30. A Modern Herbal, 1931, by Mrs. M. Grieve (No longer online)
31. Garden Flower, Shrub and Tree Glossary (No longer online)

Tech (1 matching dictionary)

32. Hydrangea: Beauty & Health Glossary

(Note: See hydrangeas as well.)

Definitions from Wiktionary ( ) ▸ noun:  Any of several shrubs, of the genus Hydrangea, having large clusters of white, pink or blue flowers Similar: hortensia, syringa, Christmas rose, spirea, rhododendron, deutzia, halesia, swampweed, Gardenia, bluet, more... Types: oakleaf hydrangea, moss hydrangea, pink hydrangea, more... Phrases: climbing hydrangea, hydrangea anomala, oakleaf hydrangea, wild hydrangea, hydrangea aspera, more... Adjectives: blue, wild, leaved, common, white, pink, leaf, potted, large, french, peegee ▸ Word origin ▸ Words similar to hydrangea ▸ Usage examples for hydrangea ▸ Idioms related to hydrangea ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hydrangea ▸ Words that often appear near hydrangea ▸ Rhymes of hydrangea ▸ Invented words related to hydrangea