guide word
noun [ C ] uk/ˈɡaɪd ˌwɜːd/ us/ˈɡaɪd ˌwɝːd/
导航词（本词典中，当某个词条有一个以上的主要义项时，导航词可帮助读者查询。导航词字体较小，以彩色大写字母出现）
In this dictionary, guide words help you find the explanation you are looking for when a word has more than one main meaning. They are printed in small, coloured capital letters.