An Antarctic region claimed as a dependent territory by New Zealand, lying between 160° E and 150° W, and south of 60° S.

A river in northern Queensland, Australia, flowing through the city of Townsville. / A tributary of the Eastmain River in Nord-du-Québec, Quebec, Canada. / A tributary of the Pelly River, Yukon, Canada.

(slang) A playing card with the rank of nine / (slang) A hand in lowball poker where the highest card is a nine / (slang) A 9mm handgun

A volcanic island in the Ross Sea near Antarctica.

plural of Ross seal

(historical) A former county in the Scottish Highlands, including most of Ross as well as Lewis in the Outer Hebrides. Dingwall is the traditional county town. Merged with Cromartyshire in 1890 as Ross and Cromarty.

Epidemic polyarthritis, a mosquito-borne infectious disease caused by infection with Ross River virus.

A small encapsulated single-strand RNA alphavirus endemic to Australia and the South Pacific, responsible for Ross River fever.

A hypothetical problem dealing with the notion of infinity. Given an empty vase and an infinite supply of balls, an infinite number of steps are performed, such that at each step 10 balls are added to the vase and one ball removed from it. The question is then posed: how many balls are in the vase when the task is finished?

plural of Nina Ross