n.; pl.Hosannas [ Gr. &unr_;, fr. Heb. hōshī'āh nnāsave now, save, we pray, hōshīa' to save (Hiphil, a causative form, of yāsha') + nā, a particle. ] A Hebrew exclamation of praise to the Lord, or an invocation of blessings. “Hosanna to the Highest.” Milton. [ 1913 Webster ]
Hosanna to the Son of David. Matt. xxi. 9. [ 1913 Webster ]