the vocabulary of a person, language, or branch of knowledge (个人、语言或学科的)词汇 the size of the English lexicon. 英语词汇的规模。 ■a dictionary, especially of Greek, Hebrew, Syriac, or Arabic (尤指希腊语、希伯来语、古叙利亚语或阿拉伯语的)字典 a Greek–Latin lexicon. 希腊拉丁语字典。
语源
early 17th cent.: modern Latin, from Greek lexikon (biblion) (book) of 'words', from lexis word, from legein 'speak'