pa·py·rus /pəˈpaɪrəs/
 紙草,草製成之紙


 Pa·py·rus n.; pl. Papyri
 1. Bot. A tall rushlike plant (Cyperus Papyrus) of the Sedge family, formerly growing in Egypt, and now found in Abyssinia, Syria, Sicily, etc. The stem is triangular and about an inch thick.
 2. The material upon which the ancient Egyptians wrote. It was formed by cutting the stem of the plant into thin longitudinal slices, which were gummed together and pressed.
 3. A manuscript written on papyrus; esp., pl., written scrolls made of papyrus; as, the papyri of Egypt or Herculaneum.

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 papyrus
      n 1: paper made from the papyrus plant by cutting it in strips
           and pressing it flat; used by ancient Egyptians and
           Greeks and Romans
      2: tall sedge of the Nile valley yielding fiber that served
         many purposes in historic times [syn: Egyptian paper reed,
          Egyptian paper rush, paper rush, paper plant, {Cyperus
         papyrus]
      3: a document written on papyrus
      [also: papyri (pl)]