Strong's #260: 'achuw (pronounced aw'-khoo)
of uncertain (perhaps Egyptian) derivation; a bulrush or any marshy grass (particularly that along the Nile):--flag, meadow.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
'âchû
1) reeds, marsh plants, rushes
Part of Speech: noun masculine
Relation: of uncertain (perhaps Egyptian) derivation
Usage:
This word is used 3 times:
Genesis 41:2: "kine and fatfleshed; and they fed in a meadow."
Genesis 41:18: "fatfleshed and well favored; and they fed in a meadow:"
Job 8:11: "grow up without mire? can the flag grow without water?"