In Exodus 2:3; Isaiah 18:2 , the papyrus is referred to, a reed of which anciently paper was made. It was of this that the ark was made in which the infant Moses was put, Exodus 2:3 , and the smaller boats on the Nile. Isaiah 18:2 . In Isaiah 58:5 it is a different word, and is used for any kind of 'rush.' Both words are also translated 'rushes.'