(reg′yə·ləs) noun plural ·li (-lī) Metall.
1. The metallic mass that sinks to the bottom of the vessel in which slag is being treated.
2. An intermediate product obtained in smelting ores of copper, lead, silver, and nickel. [<L, lit., kinglet, dim of rex, regis king]
—reg′u·line (-lin, -līn) adjective

(reg′yə·ləs)
A white star, Alpha in the constellation Leo; magnitude, 1.34: sometimes called Cor Leonis. [<L]

(reg′yə·ləs), Marcus Attilius
Roman general; put to death by the Carthaginians about 250 B.C.