An East Indian bur-reed, Typha elephantina, the pollen of which is made into bread by the natives of Sind.(noun)
The Century Dictionary (Public Domain)
Use "elephant-grass" in a sentence
"When they had all disappeared I crept into the long elephant-grass which grew by the side of the vast pit."
"Long after dawn had broken I crept out of the elephant-grass which had so successfully hidden me."
"He skirted round it, but to all appearances it was closed and empty, and he sat down behind a clump of rough elephant-grass and tucked his heels under him."