[1] : The Collaborative International Dictionary of English v.0.48

pallas \pal"las\ pa^l"las, prop. n. l., fr. gr. palla`s,
   palla`dos. gr. myth.
   pallas athena, the grecian goddess of wisdom, called also
   athena, pallas athene or athene, and identified, at a
   later period, with the roman minerva.
   1913 webster +pjc
see also:
athena pallas athene athene 

[2] : The Collaborative International Dictionary of English v.0.48

minerva \miner"va\, n. l. rom. myth.
   the goddess of wisdom, of war, of the arts and sciences, of
   poetry, and of spinning and weaving; -- identified with the
   grecian pallas athene.
   1913 webster
see also:
pallas athene 

[3] : WordNet (r) 2.0

pallas athene
     n : greek mythology goddess of wisdom and useful arts and
         prudent warfare; guardian of athens; identified with
         roman minerva syn: athena, athene, pallas, pallas
         athena
see also:
athena athene pallas pallas athena 

Athene >> A Words
Athene, definition of term: Athene
athene_pag1.html

Pallas >> P Words
Pallas, definition of term: Pallas
pallas_pag1.html

Pallas Athena >> P Words
Pallas Athena, definition of term: Pallas Athena
pallas+athena_pag1.html