gen

from The Century Dictionary.

• noun An abbreviation of Genesis; General (as a title).
• noun An abbreviation of general; genitive.
• noun An abbreviation of Geneva or Genevan.
• noun A terminal element in words from or made after the Latin or Greek, meaning primarily ‘produce,’ and taken either passively, ‘born,’ ‘produced,’ as in acrogen, endogen, exogen, etc., that which is produced or grows at the top, from within, from without, etc., or actively, ‘producing,’ ‘serving to produce,’ as in hydrogen, oxygen, nitrogen, etc., that which produces or serves to produce water, acid, nitric acid, etc. The corresponding adjective is in -genic or -genous, and the abstract noun, if any, is in -geny.
• noun An obsolete variant of gin.
• noun An abbreviation of gender; of genera; of generally; of generic; of genus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• abbreviation gender
• abbreviation general, generally
• abbreviation generation
• abbreviation genitive
• abbreviation genus
• noun chiefly UK, informal information
• noun Fanfiction that does not specifically focus on romance.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun informal term for information