The 2.1.14 version of OneWorld Dictionary for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Education Tools, more precisely Reference.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This application's bundle is identified as com.ascendo.MacDictionary. You can launch OneWorld Dictionary on Mac OS X 10.6 or later. This free software for Mac OS X was originally developed by Ascendo Inc. The following versions: 2.1 and 1.0 are the most frequently downloaded ones by the program users.
From the developer:
Multilingual Dictionaries for English to Spanish, French, German & Italian ☆ Free Version includes over 100,000 Translations, 1,000 Phrases & 5,000 Verb Conjugations ☆ Comprehensive Dictionaries, Phrase Books and Verb Conjugations available as in-app Purchases ☆ Audio Pronunciation
One World Dictionary by Ascendo is a leading multilingual reference tool for Apple computers.
The free version is a good starting point for beginners.
You may want to check out more Mac applications, such as PASSWORD Semi-Bilingual English Dictionaries, Pocket Dictionary 20in1 Lite or Ultralingua Dictionary, which might be similar to OneWorld Dictionary.