genethliacon

plural genethliaca

1. A birthday ode.

   For they singe such a Genethliacon and byrth verse as was neuer heard of before in the worlde.

   1565, Thomas Beccon, “The thyrde sermon of the songe of the Angels.”, in A new postil conteinyng most godly and learned sermons vpon all the Sonday Gospelles, London: Thomas Marshe, page f. 38v

   1 more example

   Others for magnificence at the natiuities of Princes children, or by custome used yearely upon the same dayes, are called songs natall or Genethliaca.

   1589, Ascribed to George Puttenham, “The forme of Poeticall reioysings.”, in Edward Arber, editor, The arte of English poesie., London: Alex, Murray, & Son, published 1869, The First Booke, Of Poets and Poesie, page 61