Thanks to Dicty, thousands of free dictionaries become available for use with your iPhone, iPod touch or iPad . Features:

• StarDict format support (plain text, html, xdxf).
• Fast search over all dictionaries while typing.
• Contextual word lookup. Tap and hold on a word in the text to lookup it in all dictionaries.
• Special "Dark" color scheme. Makes the text easier to read in the dark and saves your eyes.
• Clipboard support. Allows to paste word from clipboard when switching to the application or copy translated word to clipboard.
• Portrait and Landscape viewing modes.
• iTunes File Sharing support.
• Share extension. Allows to translate selected words from other apps.
• Today Widget.