(cricket, slang) A hard protector for the genitals worn inside the underpants by a batsman or close fielder; a box.

(organic chemistry) Any of very many isomers of the saturated aliphatic hydrocarbon having twenty-seven carbon atoms, but especially n-heptacosane (CH₃(CH₂)₂₅CH₃)

plural of Tyrian

Alternative spelling of riq'a