[tedunangst]

Oh, and nobody knows what the hell you're talking about.

Yes. It's a level of detail that borders on obfuscation.

fwiw, I've always used the term "load balancer" to also refer to two redundant load balancing machines. (If I worked with more complex load balancers, I doubt I'd stop.) In the general sense, it just means "the apparatus that balances the load".