A specific type of english horseback riding; At a horse show or competition an equitation class is based solely on the rider. Unlike hunter classes that are based on the horse, in and Eq. class the rider must have an incredable back and leg position and a good seat to win the class. An equitation rider's horse should frame and have the correct bend. In a equitation class where riders jump the signals the rider sends to her horse must be nearly invisible, in this class judges may have their riders jump without irons and pick up a counter canter.
An Editation is like editing in that it involves something being changed. However, when editing it does not imply editing a whole thing, whereas an Editation does.
Steve: I've just finished the seventh Editation of my novel! If my agent makes me do one more Editation...
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Agent: Sorry Steve, I still can't find anyone willing to publish this. Time for your eighth Editation...