名詞 majuscule:

1. one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis
   同義詞：capital, capital letter, uppercase, upper-case letter

形容詞 majuscule:

1. of or relating to a style of writing characterized by somewhat rounded capital letters; 4th to 8th centuries
2. uppercase
   同義詞：capital, great

ma.jus.cule

n.（名詞）
A large letter, either capital or uncial, used in writing or printing.
大字母：書(shū)寫(xiě)或印刷中的大字母、大寫(xiě)或小寫(xiě)

來(lái)源：
French
法語(yǔ)
from Latin m3iusculus [somewhat larger] [diminutive of] m3ior [greater] * see meg-
源自 拉丁語(yǔ) m3iusculus [大一點(diǎn)的] [] m3ior的小后綴 [更大的] *參見(jiàn) meg-

【引伸】
majus.cule 或
majus.cular