TwoHandedSword: Actually, it's one of those words early dictionaries kind-of-sort-of made up to look cool.
cjrgreen: No, that one's a real word, going back to Victorian England; Gladstone supposedly used it, though I cannot find it in his works. More likely it was used by others to describe his position; early in his career, he was a vocal opponent of the movement to disestablish the Church of England.
DId you happen to catch the link in
<span class="bold">Maighstir's post</span>? The word lacks sufficient documentation for being used as it's defined — rather than, say, as an example of a really long word — to establish sufficient credentials for inclusion. The video cites three historical examples, and that's it.