Strong's #195: 'Uwlay (pronounced oo-lah'ee)
of Persian derivation; the Ulai (or Eulaeus), a river of Persia:--Ulai.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
'ûlay
Ulai = "my leaders (mighties)"
1) river of Elam
Part of Speech: noun
Relation: of Persian derivation
Usage:
This word is used 2 times:
Daniel 8:2: "was by the river of Ulai."
Daniel 8:16: "a man's voice between the banks of Ulai, which called, and said, Gabriel, make this"