《汉语大字典》、《汉语大词典》都收了一个“”字,音bó,义为“母牛”。二书注音不知何据。1915年出版的《中华大字典》认为“”是“牸”的讹字,可惜囿于辞书体例并未加以说明。以下我们将对相关材料进行分析,证明“”确为“牸”之讹字。第一,文献中出现的“”字往往有写作“牸”的异文,而且多数能确定本当作“牸”。下面来看几条比较典型的书证。(1)汉曹操《与杨太尉书》:“谨赠足下……四望通幰七香车一 ”Chinese Dictionary“, ”Chinese Dictionary“ have received a ”“, sound bó, meaning ”cow“. Second book phonetic I do not know what. The ”China Dictionary“ published in 1915 considered that ”“ is a corrupt word of ”“, but unfortunately it was not explained in the way of dictionaries. The following we will analyze the relevant materials to prove that ” “ is indeed ”牸 “ of the wrong word. First, the ”“ characters appearing in the literature tend to have different characters of writing ”牸“, and most of them can be identified as ”牸“. Let’s look at a few more typical documentary evidence. (1) Han Cao Cao Yang Tai Wei book ”:" I would like to give a full four ......