rit·u·al /ˈrɪʧəwəl, ʧəl; ˈrɪʧwəl/
  儀式,典禮,宗教儀式(a.)儀式的,依儀式而行的
  rit·u·al /ˈrɪʧ(ə)wəl/ 名詞
  Rit·u·al, n.
  1. A prescribed form of performing divine service in a particular church or communion; as, the Jewish ritual.
  2. Hence, the code of ceremonies observed by an organization; as, the ritual of the freemasons.
  3. A book containing the rites to be observed.
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  Rit·u·al a. Of or pertaining to rites or ritual; as, ritual service or sacrifices; the ritual law.
  ritual
       adj 1: of or relating to or characteristic of religious rituals;
              "ritual killing"
       2: of or relating to or employed in social rites or rituals; "a
          ritual dance of Haiti"; "sedate little colonial tribe with
          its ritual tea parties"- Nadine Gordimer
       n 1: any customary observance or practice [syn: rite]
       2: the prescribed procedure for conducting religious ceremonies
       3: stereotyped behavior