We found 13 dictionaries that define the word ambulacra:

General (11 matching dictionaries)

1. ambulacra: Merriam-Webster
2. ambulacra: Oxford Learner's Dictionaries
3. ambulacra: Collins English Dictionary
4. ambulacra: Vocabulary.com
5. ambulacra: Wordnik
6. ambulacra: Wiktionary
7. Ambulacra, ambulacra: Dictionary.com
8. Ambulacra: Online Plain Text English Dictionary
9. Ambulacra: AllWords.com Multi-Lingual Dictionary
10. ambulacra: FreeDictionary.org
11. ambulacra: TheFreeDictionary.com

Computing (1 matching dictionary)

12. ambulacra: Encyclopedia

Science (1 matching dictionary)

13. ambulacra: Natural History Terms

(Note: See ambulacrum as well.)

Definitions from Wiktionary (ambulacrum) ▸ noun:  (of an echinoderm) A row of pores for the protrusion of appendages such as tube feet. ▸ Also see ambulacrum ▸ Words similar to ambulacra ▸ Usage examples for ambulacra ▸ Idioms related to ambulacra ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ambulacra ▸ Words that often appear near ambulacra ▸ Rhymes of ambulacra ▸ Invented words related to ambulacra