Wiktionary
regulo
Etymology 1 n. Any of a number of temperatures to which a gas oven may be set. e.g. ''regulo 4'' Etymology 2
n. (cx historical English) A colonially-appointed chief in parts of Africa.
Usage examples of "regulo".
At an acceleration of only a thousandth of a gee it would take a long time to spiral out to the Asteroid Belt, to the region where Regulo was planning to perform his next project.