Quote Originally Posted by Gruzzle View Post
I apologize if this is an inappropriate place to ask this, but I'm new and wondered what "Gestalt" means. I've read through the guide in the OP and it answered all of my questions except that one. Thanks in advance!
You may find this link on the SRD to be of interest.

Basically, Gestalt characters gain two classes per level. Imagine two characters with separate class progressions, smushed into one. There are some mechanical differences to adjust for fractional BAB and saves, and campaigns are typically adjusted upwards (in power level and difficulty) to suit the party composition.