a book that lists the words of a language in alphabetical order and gives their meaning, or that gives the equivalent words in a different language 字典,词典,辞书 ■a reference book on any subject, the items of which are arranged in alphabetical order (按字母顺序编排的有关一定主题的)参考书 a dictionary of quotations. 引语大全。
常用词组 have swallowed a dictionary
(informal)(of a person) use long and obscure words when speaking (非正式)(说话时)使用又长又晦涩的词语
语源
early 16th cent.: from medieval Latin dictionarium (manuale) or dictionarius (liber) 'manual or book of words', from Latin dictio (see diction)