Lyd"i*an (?), a. [L. Lydius, fr.
Lydia, Gr. ?.] Of or pertaining to Lydia, a country of
Asia Minor, or to its inhabitants; hence, soft; effeminate; -- said
especially of one of the ancient Greek modes or keys, the music in
which was of a soft, pathetic, or voluptuous character.
Softly sweet in Lydian measures,
Soon he soothed his soul to pleasures.
Dryden.
Lydian stone, a flint slate used by the
ancients to try gold and silver; a touchstone. See
Basanite.