a language that is adopted as a common language between speakers whose native languages are different
(不同母语的人用以作为交际语言的)通用语,共同语。
[mass noun]
〈史〉 (旧时在地中海东部黎凡特地区使用的)混杂语(包括意大利语、法语、希腊语、阿拉伯语和西班牙语)。
" late 17th cent.: from Italian, literally ‘Frankish tongue’. "