Strong's #7209: r'iy (pronounced reh-ee')
from 7200; a mirror (as seen):--looking glass.
Brown-Driver-Briggs Hebrew Lexicon:
re'ı̂y
1) mirror
Part of Speech: noun masculine
Relation: from H7200
Usage:
This word is used 1 times:
Job 37:18: "the sky, which is strong, and as a molten looking glass?"