‖ lychnapsiaGr. Church.|lɪkˈnæpsɪə| [a. Gr. λυχναψία lighting of lamps.] A series of seven prayers for protection during the night, forming part of the lychnic. 1850Neale East Ch.Introd. i. 896 While this Psalm is being said, the Priest..saith the lychnapsia.