Meanings of Slavonic language in English

Which Slavonic language has done away with the case forms of nouns?

Which Slavonic language is spoken in a country whose national language is not Slavonic?

Westerners found married, compulsorily bearded clergy alarming and the Slavonic language indecorous in church.

This race includes the Russians, Poles, Croats, Slavons, Bohemians, Bulgarians, Cossacks, and other tribes using the Slavonic language.

Cyrill reduced the Slavonic language to writing, taught the barbarous nation the use of letters, and translated the Scriptures into that language.

Mirko pressed his arm round his sister's neck and kissed her cheek, while he cooed love words in a soft Slavonic language.

Not alone the Sacred Books of Byzantine literature, but works upon philosophy and science, and even romance, were translated into the Slavonic language.

Even if, as in Crete and Bosnia, he keeps his Greek or Slavonic language, he remains Greek or Slave only in a secondary sense.

Methodius, who were Greeks of Salonika and had considerable knowledge of Slavonic languages.

Here he remained three years, during which time he diligently studied the Slavonic languages and literature.