What is "plethory"

Usage examples of "plethory".

But before that, before breakfast indeed, I should like to examine you to find whether your plethory is wholly digested, and prescribe physic if it is not.

Highland in Bedford, which, in the days of our plethory, sold readily for from fifty to one hundred dollars the acre, (and such sales were many then,) would not dollars, or one-quarter or one-fifth of its former price.