Lewis Short
aequĭdĭci (sc. versus) [aequus-dico]
* Verses containing corresponding words or expressions (ἀντιθέτους), as (Verg. E. 2, 18): alba ligustra cadunt, vaccinia nigra leguntur: ̏Albis enim nigra opposuit, ligustris autem vaccinia attribuit, et cadentibus legenda assignavit,˝ Diom. p. 498 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary