Dictionary.net

of Prune

The act of trimming, or removing what is superfluous.

That which is cast off by bird in pruning her feathers; leavings.

n. Act of one who prunes;- act or process of cutting off branches of trees, or trimming plants and shrubs by lopping superfluous parts; -hence, excision of inferior or improper matter, as in a literary production;- reduction of estimates; retrenchment in expenditure.