oil spot
n.— «Establish hamlets in groups, spreading the oil spot from the rich and populated areas outward. Give equal stress to the economy and the living standard of the population and the security factor.» —“Viet Premier Outlines One-Year Plan to Unify People, Defeat Reds” by Ed Meagher in Saigon Los Angeles Times Mar. 8, 1964. (source: Double-Tongued Dictionary)
Further reading
What exactly is a planet? Controversy over this question led to Pluto’s redefinition, along with a brand-new English word. And: Some people now use the phrase all the things! to mean and whatnot or you know what I mean. This new sense of all...
The adjectives canine and feline refer to dogs and cats. But how does English address other groups of animals? Plus, cabin fever has been around much longer than the current pandemic. That restless, antsy, stir-crazy feeling goes back to the days...