We found 9 dictionaries that define the word sphenopsida:

General (8 matching dictionaries)

1. Sphenopsida, Sphenopsida: Merriam-Webster
2. Sphenopsida: Oxford Learner's Dictionaries
3. Sphenopsida: Vocabulary.com
4. sphenopsida: Dictionary.com
5. Sphenopsida: Rhymezone
6. sphenopsida: FreeDictionary.org
7. sphenopsida: Mnemonic Dictionary
8. Sphenopsida: TheFreeDictionary.com

Computing (1 matching dictionary)

9. Sphenopsida: Encyclopedia

Definitions from WordNet (Sphenopsida) ▸ noun:  horsetails and related forms Phrases: class sphenopsida, more... ▸ Words similar to sphenopsida ▸ Usage examples for sphenopsida ▸ Idioms related to sphenopsida ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sphenopsida ▸ Words that often appear near sphenopsida ▸ Rhymes of sphenopsida ▸ Invented words related to sphenopsida