1. Resembling, or having the luster of, silver; grayish white and lustrous; of a mild luster; bright. All the enameled race, whose silvery wing waves to the tepid zephyrs of the spring. (pope)
2. Besprinkled or covered with silver.
3. Having the clear, musical tone of silver; soft and clear in sound; as, silvery voices; a silvery laugh.
(Science: chemistry) Silvery iron, a peculiar light–gray fine–grained cast iron, usually obtained from clay iron ore.