cha·su·ble /ˈʧæzəbəl, ʒə, sə-/
  牧師主持聖餐,彌撒時穿的禮服
  Chas·u·ble n.  Eccl. The outer vestment worn by the priest in saying Mass, consisting, in the Roman Catholic Church, of a broad, flat, back piece, and a narrower front piece, the two connected over the shoulders only. The back has usually a large cross, the front an upright bar or pillar, designed to be emblematical of Christ's sufferings. In the Greek Church the chasuble is a large round mantle. [Written also chasible, and chesible.]
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  chasuble
       n : a long sleeveless vestment worn by a priest when celebrating
           Mass