Pallas

[pal-uh s] /ˈpæl əs/
noun
1.
Also called Pallas Athena. Classical Mythology, Athena (def 1).
2.
Astronomy. the second largest and one of the four brightest asteroids.
British Dictionary definitions for Pallas

Pallas

/ˈpæləs/
noun
1.
(astronomy) the second largest asteroid (diameter 520 km), revolving around the sun in a period of 4.62 years

Pallas Athena

noun
1.
another name for Athena
Word Origin and History for Pallas

Greek goddess' name, literally "little maiden," related to pallake "concubine," and probably somehow connected to Avestan pairika "beautiful women seducing pious men."

Pallas in Science
Pallas
  (pāl'əs)   
The second largest asteroid, measuring about 570 km (353 mi) at its greatest diameter, and the second to be discovered, in 1802. See more at asteroid.