1.  pruning(n = noun.object) - something that has been pruned off of a plant;
is a kind of cutting

2.  pruning(n = noun.act) - the act of trimming a plant;
is a kind of clipping, trim, trimming
Derived form verb prune₁

1.  The act of trimming, or removing what is superfluous. [1913 Webster]

2.  That which is cast off by bird in pruning her feathers; leavings. Beau. & Fl. [1913 Webster]

pruning hook, pruning knife, pruning saw, pruning shears