Interesting that Bill talks about the latin derivation of "logorrhea," but it really goes further back to Greek, with the "logo" bit being a giveaway - from logos meaning "word."
If latinate words are what you crave, I'd recommend sesquipedalian, which has a number of meanings that include "given to using long words" and "something of 18 inches in length." No suprise that my wife never describes me as "sesquipedalian."
Siggy
