tumblehome n. the slope at which an automobile’s sides or windows angle to meets its roof. Etymological Note: Originally applied to the design of seacraft, in which the upper part of the sides of a boat or ship—the topsides—angles upwards from a wider point closer to the waterline. (source: Double-Tongued Dictionary)
Further reading
What do you call a long sandwich filled with lots of ingredients? Whether you call it a sub, a hoagie, a grinder, or something else entirely depends on where you’re from. And: Martha’s visit to an Alaskan reindeer ranch reveals why you...
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...