ho·san·na also ho·san·nah (hō-zān'ə) interj. Used to express praise or adoration to God. n.
A cry of "hosanna."
A shout of fervent and worshipful praise.
[Middle English osanna, from Old English, from Late Latin ōsanna, from Greek hōsanna, from Hebrew hôša'-nā', deliver us : hôša', second person singular of hôšîa', to save; see wṯʕ in Semitic roots + -nā', injunctive particle.]