OALD ENG-ENG 9th edition (without sound)
Source: 4pda
Format: lsd (for GoldenDict)
Number of entries: 71,268
Author: EuropeX
File Size: 30MB
Differences between 9th & 10th edition: 9th edition includes verb forms & extra examples. It also has better text format.
Download: OALD ENG-ENG 9th edition