Webster’s Revised Unabridged Dictionary · 1913
Pruning
Prun′ing (prṳn′ĭng), n. 1. The act of trimming, or removing what is superfluous.
2. (Falconry) That which is cast off by bird in pruning her feathers; leavings. Beau. & Fl.
Pruning hook, or Pruning knife, cutting instrument used in pruning trees, etc. — Pruning shears, shears for pruning trees, vines, etc.