/peuh lay"dee euhm/ , n. , pl. Palladia /-dee euh/ .
1. Also, Palladion /peuh lay"dee on'/ . a statue of Athena, esp. one on the citadel of Troy on which the safety of the city was supposed to depend.
2. ( usually l.c. ) anything believed to provide protection or safety; safeguard.
[ Palladium Palládion, n. use of neut. of Palládios of Pallas, equiv. to Pallad- (s. of Pallás ) PALLAS + -ios adj. suffix ]