WordWeb Online

1. Word used to invite agreement
   "nice work, eh?"
   - huh
    
2. [Cdn] Word used to encourage the attention of the listener, ascertain interest, etc; often essentially meaningless
    
3. Expression of inquiry or slight surprise
   - huh
    
4. Indicates incomprehension, a request to repeat for clarification
   - huh, what, excuse me, come again, pardon, sorry, I beg your pardon

Encyclopedia: Eh Eh, Cumpari Eh, Cumpari!