(formerly) an allowance for waste, after deduction for tare.
Origin of tret
1490–1500; < Anglo-French, variant of trait act of drawing; see trait
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for trets
Historical Examples of trets
I should have liked to make a stay at Trets, and to explore this country.
Trets is very old, and has the appearance of being uncared for.
commerce (formerly) an allowance according to weight granted to purchasers for waste due to transportation. It was calculated after deduction for tare
Word Origin for tret
C15: from Old French trait pull, tilt of the scale; see trait
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
c.1500, of unknown origin.
Online Etymology Dictionary, © 2010 Douglas Harper