'Plunderage' definitions:

Definition of 'plunderage'

(from WordNet)
noun
The act of plundering (especially the embezzlement of goods on shipboard)

Definition of 'Plunderage'

From: GCIDE
  • Plunderage \Plun"der*age\, n. (Mar. Law) The embezzlement of goods on shipboard. --Wharton. [1913 Webster]