We found 11 dictionaries that define the word gei:

General (5 matching dictionaries)

1. Gei, gei: Wordnik
2. gei: Wiktionary
3. GEI: Dictionary.com
4. GEI, Gei: Wikipedia, the Free Encyclopedia
5. Gei (f): AllWords.com Multi-Lingual Dictionary

Computing (2 matching dictionaries)

6. GEI: Free On-line Dictionary of Computing
7. GEI: Encyclopedia

Medicine (1 matching dictionary)

8. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

9. GEI: Acronym Finder
10. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

11. gei: Urban Dictionary

Definitions from Wiktionary (Gei) ▸ noun:  Alternative form of gi (“martial arts uniform”) [A martial arts uniform.] Similar: GHG, pollutant, emission, EPA, wai, VOC, pollution, ozonometry, nox, sulfur oxide, more... Opposite: heterosexual, straight ▸ Words similar to gei ▸ Usage examples for gei ▸ Idioms related to gei ▸ Wikipedia articles (New!) ▸ Popular adjectives describing gei ▸ Words that often appear near gei ▸ Rhymes of gei ▸ Invented words related to gei