Significados de expatiate as en inglés

I thought of the vast regions through which it flows, and suffered my imagination to expatiate as far as its source.

I could expatiate as much upon all his different works, but that I should exceed the bounds of a letter and run into a dissertation.

10, "Tears, Idle Tears," on which the exhibitor feelingly expatiates as a noble example of the imaginative in art, is an onion.