(organic chemistry) Any sulfonic acid derived from camphor, but especially d-camphorsulfonic acid (known as Reychler's acid) classically used to resolve stereoisomers

(India, historical) A stonebow (crossbow for shooting stones).

A village and civil parish in Torridge district, Devon, England (OS grid ref SS2524). / A town in Carleton County, New Brunswick, Canada.

(Roman Catholicism) The teaching or expression of an opinion in the conscious knowledge that it is contradictory to the teachings of the Church, and as such heretical.