The Cambridge Dictionaries Online Ruby Library is one of the API Client Libraries offered for Cambridge Dictionaries APIs which can be used to retrieve dictionary data. This library can be integrated into Ruby applications. Cambridge Dictionaries Online is a top online resource for online dictionary and thesaurus needs for learners of English. The Cambridge Dictionaries Online API gives developers access to a range of dictionaries and dictionary resources in a multitude of English language learning for other languages. The API provides developers unique tools to search, retrieve entries, get pronunciations, browse thesaurus topics, access the Word of the Day, and much, much more.