tip·staff /ˈtɪpˌstæf/
金屬包頭的杖;警察;法警
Tip·staff n.; pl. Tipstaff
1. A staff tipped with metal.
2. An officer who bears a staff tipped with metal; a constable.
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tipstaff
n : staff with a metal tip carried as a sign of office by e.g. a
bailiff or constable