valediction

valediction
[ˌvalɪˈdɪkʃ(ə)n]
noun
  1. [mass noun]the action of saying farewell
    告别
    he spread his palm in valediction.
    他伸开手掌告别。
    ■[count noun]a statement or address made at or as a farewell
    告别词
    his official memorial valediction.
    他的正式纪念告别词。
语源
  1. mid 17th cent.: based on Latin vale 'goodbye' + dicere 'to say', on the pattern of benediction
英语宝典
考试词汇表