NIDIFY Meaning of NIDIFY in English /nid"euh fuy'/ , v.i. , nidified, nidifying . nidificate. [ 1650-60; nidificare to build a nest, equiv. to nid- (s. of nidus ) NEST + -ificare -IFY ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012