| Word | Definitions | Synonyms |
|---|---|---|
| gyrus | (noun) a convex fold or elevation in the surface of the brain | Synonyms: convolution |
| papyrus | (noun) a document written on papyrus | - |
| (noun) tall sedge of the Nile valley yielding fiber that served many purposes in historic times | Synonyms: Cyperus papyrus, Egyptian paper reed, Egyptian paper rush, paper plant, paper rush | |
| (noun) paper made from the papyrus plant by cutting it in strips and pressing it flat; used by ancient Egyptians and Greeks and Romans | - |