1. one of ten equal groups into which a collection of things or people can be divided according to the distribution of a particular variable
   • ● families in the top decile of income (= the 10 per cent of families with the highest income)
   Word Originlate 17th cent.: from French dà©cile, from a medieval Latin derivative of Latin decem ‘ten’.

[TahlilGaran] English Dictionary ▲