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English - Spanish dictionary - 20988 entries.

Spanish - English dictionary - 20573 entries.

Note that you only download the dictionary engine. Dictionary database will be downloaded from the server. You will need an Internet connection to download it.

Merriam-Webster dictionary features:

• Dictionary Online Update - easily check for updated software versions and download to your device.
• Online dictionary catalog where you can download new dictionaries directly to your device.
• Find the translation of the word in any grammatical form with help of built-in Morphology Module for English, French, Russian and Spanish languages
• Check correct word pronunciation with additional Sound Modules, containing pre-recorded voice of English, German, Spanish, Italian and French native speakers.
• Use dictionaries on devices with touch screen
• Search History to see the translation last 15 words
• Dictionary interface is available in English, French, German, Spanish, Italian and Russian languages

You can also buy Sound Module for Merriam-Webster dictionaries, containing pre-recorded voice of English native speaker.