We found 7 dictionaries that define the word Windows 3.1:

General (1 matching dictionary)

1. Windows 3.1: Dictionary.com

Computing (3 matching dictionaries)

2. Windows 3.1: Free On-line Dictionary of Computing
3. Windows 3.1: CCI Computer
4. Windows 3.1: Encyclopedia

Medicine (1 matching dictionary)

5. online medical dictionary (No longer online)

Slang (2 matching dictionaries)

6. Windows 3.1, Windows 3.1: Urban Dictionary

Definitions from Wikipedia (Windows 3.1) ▸ noun:  a major release of Microsoft Windows. Phrases: Windows NT 3.1, windows 3.1 feature, more... ▸ Words similar to Windows 3.1 ▸ Usage examples for Windows 3.1 ▸ Idioms related to Windows 3.1 ▸ Civic discussion about Windows 3.1 (New!) ▸ Words that often appear near Windows 3.1 ▸ Rhymes of Windows 3.1 ▸ Invented words related to Windows 3.1