(UK, military) The Royal Observer Corps, a United Kingdom defence organisation (1925 to 1992). / Initialism of Republic of China. (all senses)

(mathematics, of a series) Initialism of region of convergence. / (statistics, radio) Initialism of receiver operating characteristic.

An enormous mythical bird in Eastern legend.

(medicine, colloquial) Rocuronium.

Alternative form of ROC (R of C)

plural of roc

plural of ROC

(military, nautical) Initialism of Republic Of China Ship, a warship of Taiwan, or pre-Chinese Civil War (1950) republican China (used as a ship prefix)

A giant, red-colored free-standing monadnock in the south of Northern Territory in Central Australia, now known by its indigenous name, Uluru.

The dove/pigeon species Columba livia.