Squinance \Squin"ance\, Squinancy \Squin"an*cy\, n. [F. esquinancie, OF. squinance, esquinance. See {Quinsy}.] 1. (Med.) The quinsy. See {Quinsy}. [Obs.] 2. (Bot.) A European perennial herb ({Asperula cynanchica}) with narrowly linear whorled leaves; -- formerly thought to cure the quinsy. Also called {quincewort}. {Squinancy berries}, black currants; -- so called because used to cure the quinsy. --Dr. Prior.