Aside from the pallid bust of Pallas, this word has another meaning.
"... in astronomy, a new planet, situate (sic) between the orbits of Mars and Jupiter, and is a little larger in magnitude than Ceres, but of a less ruddy colour.
"It was discovered by Dr. Olbers, at Bremen, in Lower Saxony, on the 28th of March 1802, the same active astronomer who discovered Ceres some years after Piazza had first discovered it at Palermo, in Sicily. It is surrounded with a nebulosity of less extent than that of Ceres, and performed its annual revolution in nearly the same period.
"The planet Pallas, however, is distinguished in a very remarkable manner from Ceres and all the other primary planets, by the immense inclination of its orbit....
"For farther information on the subject of this article, see Schroeter, Lilienthalische Beobachtungen der neu-endtdeckten Planet Pallas, Gottingen, 1805; Phil. Trans. 1807; Conoissance des Temps, 1809." —Falconer's New Universal Dictionary of the Marine (1816), 331