Trencher Meaning in Bengali

What is the meaning of word Trencher in Bengali/Bangla ?

Meaning of Trencher in Bangla is : ট্রেনচার

Defenition of word Trencher

Example

Then one evening dull, as Stien stood by the large wash bin in the inn scrubbing food from used trenchers , a group of six men Stien had never seen before entered through the thick, wooden door.

Other Meaning of Trencher