archaism/ˈɑ:keɪɪzəm; `ɑrkeˌɪzəm/ n1 [C] archaic word or expression 古字; 古词; 古语.2 [U] use or imitation of what is archaic, esp in language and art 拟古, 拟古主义（尤指在语言及艺术上）.
牛津英汉双解词典