/ˈθɜ:zdeɪ;-di ||; ˈθɝzde; -dɪ/noun [C,U] (abbr Thur.) (abbr Thurs.) the day of the week after Wednesday 星期四 ☞Days of the week are always written with a capital letter. For examples of how to use the days of the week, look at Monday. 表示星期几的词，开头字母要大写。有关这类词的示例，参看Monday。