1. An allowance to purchasers, for waste or refuse matter, of four pounds on every 104.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• tert,
• tret,
• trete,
• trety,
• trit,
• trett,
• tretto,
• trette,
• 6ret,
• trwt,
• trrt,
• tr4t,
• tr3t,
• rtret,
• ytret,
• tyret,
• 6tret,
• t6ret,
• 5tret,
• t5ret

The plural of the "Tret" can be the "trets".

The singular of the "Tret" can be the "Tret".