名詞 polyglot:

1. a person who speaks more than one language
   同義詞：linguist

形容詞 polyglot:

1. having a command of or composed in many languages

1. Mr.Gorbachev and his reformist Kremlin allies are prepared to tolerate, even encourage, moderate nationalists who challenge central control and demand autonomy. But Moscow rightly feels that, in a polyglot country with102 different nationalities, ethnic violence is beyond the pale.
   戈爾巴喬夫和他克里姆林宮改革派盟友們，準備容忍，甚至鼓勵溫和的民族主義分子向中央控制挑戰(zhàn)并要求獨立。可是莫斯科自有理由覺得：在一個操多種語言，由102個民族組成的國家里，族裔之間的暴力則屬過分。

pol.y.glot

adj.（形容詞）
Speaking, writing, written in, or composed of several languages.
多種語言的：講或?qū)懚喾N語言的、用幾種語言寫的或包含幾種語言的
n.（名詞）
A person having a speaking, reading, or writing knowledge of several languages.
使用多種語言的人：掌握了幾種語言的說、讀或?qū)懼R的人
A book, especially a Bible, containing several versions of the same text in different languages.
多種文字對照本：包含同一文本的幾種語言版本的書，尤其指《圣經(jīng)》
A mixture or confusion of languages.
多種語言的混合或混淆

來源：
French polyglotte
法語 polyglotte
from Greek poluglôttos
源自 希臘語 poluglôttos
polu- [poly-]
polu- [表示.過多，眾多.之意]
glôtta [tongue, language]
glôtta [舌頭；語言]

【引伸】
pol.yglot.ism 或
pol.yglot.tism
n.（名詞）