poundage

/P AW1 N D IH0 JH/
noun
  1. 1

    A charge based on the weight of something in pounds

  2. 2

    A charge based on the value of something in pounds sterling

  3. 3

    A weight measured in pounds

  4. 4

    A fee charged for keeping an animal in a pound, or for its release

  5. 5

    The keeping of an animal in a pound

verb
  1. 1

    To collect, as poundage; to assess, or rate, by poundage.

Source: https://en.wiktionary.org/wiki/poundage