- [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.
- 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.
- A manuscript written on papyrus; esp., pl., written scrolls made of papyrus; as, the papyri of Egypt or Herculaneum.
Etymology: L., fr. Gr. pa`pyros. See Paper