gravy plane
n.— «The United States Postoffice Department is getting on a gravy plane come September 1.…Under the 1938 CAA Act, the Postoffice Department has to pay the airlines enough revenue to keep an air transportation system in effect, in the interest of national defense. And up until now, the department has been paying for airline space it hasn’t been using.» —“Gravy Plane Due Sept. 1 For Postoffice” Washington Post June 27, 1948. (source: Double-Tongued Dictionary)
Further reading
The Very Hungry Caterpillar (Bookshop|Amazon) had an earlier title: A Week with Willie the Worm. This is part of a complete episode. Transcript of “The Very Hungry Caterpillar’s First Title” Here’s another book title that...
Outer space, used with its modern meaning, appears as early as the 1840s in a poem by Emmeline Stuart-Wortley. Soon after, Alexander von Humboldt was using variations on it in his writings about the cosmos. By 1901, H.G. Wells was using outer space...