n. 1. The act of trimming, or removing what is superfluous. [ 1913 Webster ]
2. (Falconry) That which is cast off by bird in pruning her feathers; leavings. Beau. & Fl. [ 1913 Webster ]
Pruning hook, or Pruning knife, cutting instrument used in pruning trees, etc. -- Pruning shears, shears for pruning trees, vines, etc. [ 1913 Webster ]