an arch having a more or less flat intrados and extrados with voussoirs radiating from a center below the arch.
- Flat as a pancake
adjective phrase Very flat: The car was squashed flat as a pancake [1761+; the form flat down as pancakes is found by 1611] Extremely level, especially too much so. For example, There are no hills; this terrain is flat as a pancake. This simile dates from the 1500s and has survived its contemporary, flat as […]
adverb Totally; absolutely: Some farmers are absolutely flat-ass broke/ It’s not just that. I’ll flat-ass leave her (1960s+)
noun 1. a book spine presenting a completely flat surface. 2. a book bound with such a spine.
noun A prostitute: His prostitutes are well known for being unhooked flatbackers (1960s+)