Ariel - (Easton's Bible Dictionary)
The lion of God. (1.) One of the chief men sent by Ezra to procure Levites for the sanctuary (Ezra 8:16).
(2.) A symbolic name for Jerusalem (Isa. 29:1, 2, 7) as "victorious under God," and in Ezek. 43:15, 16, for the altar (marg., Heb. ariel) of burnt offerings, the secret of Israel's lion-like strength.