D defs.my
Entry 3 senses Webster, 1913

Trencher

/trĕn'-chẽr/ · Trench·er · IPA /ˈtɹɛnt͡ʃə(ɹ)/
01 n. One who trenches; esp., one who cuts or digs ditches.
  1. 1.
    One who trenches; esp., one who cuts or digs ditches.
  2. 2.
    A large wooden plate or platter, as for table use.
  3. 3.
    The table; hence, the pleasures of the table; food.
    “It could be no ordinary declension of nature that could bring some men, after an ingenuous education, to place their “summum bonum” upon their trenchers.” South.
Phrases & compounds
Trencher cap — the cap worn by studens at Oxford and Cambridge Universities, having a stiff, flat, square appendage at top. A similar cap used in the United States is called Oxford cap, mortar board, etc.
Trencher fly — a person who haunts the tables of others; a parasite.
Trencher friend — one who frequents the tables of others; a sponger.
Trencher mate — a table companion; a parasite; a trencher fly.