(humanities) An academic discipline that includes the study of literatures written in the Russian language, Russian linguistics, and Russian sociolinguistics.

A Eurasian species of sturgeon (Acipenser gueldenstaedtii).

An oleaster, Elaeagnus angustifolia.

(historical) Of or pertaining to Great Russia. / (historical) Of or pertaining to Great Russians, the language of Great Russia, as opposed to Little Russia, White Russia, etc.

(historical) A person from, or an inhabitant of, Great Russia.

(obsolete) The Russian language, especially when (possibly erroneously) considered to be mutually intelligible with the Ukrainian (Little Russian) and Belarusian (White Russian) languages.

An identity or attitude associated with Little Russia, favouring Russian culture and practices over Ukrainian ones.

Microbiota decussata, an evergreen coniferous shrub.

plural of Russian cypress

(cryptography) A method of rearranging plaintext before encryption by breaking it into two parts and inverting their order, so as to conceal obvious headers, salutations, signatures, etc.