dēclārātĭo, ōnis, f. [declaro],
a making clear or evident, a disclosure, exposition, declaration (very rare): animi tui, Cic. Fam. 10, 5, 2: amoris tui? id. ib. 15, 21, 3: sub eadem declaratione, Ap. Dogm. Plat. 3, p. 30 fin. ; Vulg. Ps. 118, 130.
dēclārātiō ōnis, f declaro, a making clear, disclosure, declaration : voluntatis a populo: amoris ...
An Elementary Latin Dictionary