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Webster 1913 Edition

Noun.

A cutting off, as of branches; that which is cut off; leavings.

The

loppings

made from that stock whilst it stood.

Burke.

ppr.

Cutting off; shortening by cutting off the extremity; letting fall.

Noun.

that which is cut off.

lopping

lopping ‎(plural loppings)

The cutting off of branches, etc.
That which is cut off; leavings.
- Burke
  The loppings made from that stock whilst it stood.