We found 24 dictionaries that define the word pika:

General (19 matching dictionaries)

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

Computing (1 matching dictionary)

20. pika: Encyclopedia

Medicine (2 matching dictionaries)

21. online medical dictionary (No longer online)
22. pika: Medical dictionary

Miscellaneous (1 matching dictionary)

23. PIKA: Acronym Finder

Slang (1 matching dictionary)

24. pika: Urban Dictionary

(Note: See pikas as well.)

Definitions from Wiktionary (pika) ▸ noun:  Any of several small, furry mammals, similar to guinea pigs, but related to rabbits, of the family Ochotonidae, from the mountains of North America and Asia. Similar: cony, coney, rock rabbit, mouse hare, pica, ochotonid, guinea pig, chief hare, guineapig, Sardinian pika, more... Types: collared pika, Alaskpika, whistling pika, Americpika, Mongolipika, Steppe p, more... Phrases: Collared pika, American pika, Ili pika, Sardinian pika, Large-eared pika, more... Adjectives: american, northern, collared, little, daurian, afghan, alpine, eared, japanese, khirr, tiny Colors:     yellow,     brown,     gray,     white,     black, more... ▸ Words similar to pika ▸ Usage examples for pika ▸ Idioms related to pika ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pika ▸ Words that often appear near pika ▸ Rhymes of pika ▸ Invented words related to pika