by mouth 意味

• by móuth
  (1) 口で，口から．
  (2) 口頭で，口伝えで．
  

• at the mouth of:    ～の湾口部｛わんこう ぶ｝の、河口の
• mouth:    mouth n. 口; 口元, くちびる; 口状のもの, 入口; 人の口, うわさ.【動詞＋】bend one's mouth to sb's ear人の耳に口を近づけるclamp one's mouth shut口をぎゅっと閉めるSaliva clogged my mouth and throat.唾液で口と喉が詰まったHe closed his mouth tight.口をきゅっと結んだW
• mouth at:    （人）に口の動きで伝える

例文

my father's been nil by mouth for a week
父は一週間何も口にしていません

only the information on the articles necessary for the demonstration was given from peasant to peasant by mouth .
準備する物だけが農民から農民に口伝で伝えられた。

that was referred to as oosekotoba (the words of his majesty ) given through the shikiji , also referred to as ' kuzen ' (literally means stated by mouth ) or ' senji ' (literally means to state to that effect ) because the order was verbally conveyed (verbally stated ).
これを職事の仰詞と称したが、勅旨の内容を口で伝える（宣べる）ことから、「口宣」もしくは「宣旨」とも称した。