柯林斯词典trencher /ˈtrɛntʃə/ 1. N (esp formerly) a wooden board on which food was served or cut (尤指舊時)木制食磐trencher /ˈtrɛntʃə/ N 1. N a person or thing that digs trenches 挖溝者; 挖溝物 返回 trencher剑桥词典Australian English a black hat with a square , flat top , worn on formal occasions by some teachers and students at college or university , and in the past by some school teachers （黑色的）方頂帽，學位帽 比較mortarboard in the past, a flat , wooden dish used to serve food （舊時盛食物用的）木磐 返回 trencher