An exercise that works the abdominal muscles by performing a twisting motion on the abdomen.

plural of Russian-American

An American with Russian ancestry.

(historical) The Russian colonial possessions in North America from 1799 to 1867.

A period of political and social upheaval that took place in the former Russian Empire and began during the First World War.

(US) Alternative form of Russian gauge

plural of Russian sage

Synonym of Russian pyramid

A form of pocket billiards played on a modified snooker table with narrower pockets.

(preceded by the definite article) Synonym of Petrov Defence