[ reg-yuh-luh s ]
/ ˈrɛg yə ləs /


Marcus A·til·i·us [uh-til-ee-uh s] /əˈtɪl i əs/, died 250? b.c., Roman general. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for marcus regulus (1 of 3)

/ (ˈrɛɡjʊləs) /

noun plural -luses or -li (-ˌlaɪ)

impure metal forming beneath the slag during the smelting of ores

Derived forms of regulus

reguline, adjective

Word Origin for regulus

C16: from Latin: a petty king, from rēx king; formerly used for antimony, because it combines readily with gold, thought of as the king of metals

British Dictionary definitions for marcus regulus (2 of 3)

/ (ˈrɛɡjʊləs) /


Marcus Atilius (ˈmɑːkəs əˈtɪlɪəs). died ?250 bc, Roman general; consul (267; 256). Captured by the Carthaginians in the First Punic War, he was sent to Rome on parole to deliver the enemy's peace terms, advised the Senate to refuse them, and was tortured to death on his return to Carthage

British Dictionary definitions for marcus regulus (3 of 3)

/ (ˈrɛɡjʊləs) /


the brightest star in the constellation Leo. Visual magnitude: 1.3; spectral type: B8; distance: 69 light years
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for marcus regulus

[ rĕgyə-ləs ]

A bright triple star in the constellation Leo, with an apparent magnitude of 1.35. Scientific name: Alpha Leonis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.