頭文字

(1)the first letter of a word (especially a person's name); "he refused to put the initials FRS after his name"

(2)単語（特に人の名前）の最初の文字

(3)one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis; "printers once kept the type for capitals and for small letters in separate cases; capitals were kept in the upper half of the type case and so became known as upper-case letters"

(4)固有名詞を書くあるいは印刷する場合に先頭文字として使われ、しばしば強調に用いられる大文字のアルファベットの1つ

(1)