\Hym*nol"o*gy\, n. [Gr. ? hymn + -logy: cf. F.
hymnologie.]
1. The hymns or sacred lyrics composed by authors of a
   particular country or period; as, the hymnology of the
   eighteenth century; also, the collective body of hymns
   used by any particular church or religious body; as, the
   Anglican hymnology.
2. A knowledge of hymns; a treatise on hymns.