trencher

noun

Etymology: From Middle English trenchour, from Anglo-Norman trenchour and Old Northern French trencheor (French tranchoir), from trenchier (“to cut, to carve”). See trench (verb).

1. A plate on which food is served or cut.

   “Mrs Partridge, upon this, immediately fell into a fury, and discharged the trencher on which she was eating, at the head of poor Jenny […]”

2. Someone who trenches; especially, one who cuts or digs ditches.
3. A machine for digging trenches.

   “The milling action of the bucket line enables the trencher to cut through difficult materials, such as stone rubble and brick filling, and to leave a good trench with clean side walls.”