ETYM Old Eng. chois, Old Fren. chois, French choix, from choisir to choose; of German origin; cf. Goth. kausjan to examine, kiusan to choose, examine, German kiesen. Related to Choose.
1. The act of choosing or selecting; SYN. selection, pick.
2. The person or thing chosen or selected; SYN. pick, selection.
In economics, decision about how resources are allocated. Each choice involves an opportunity cost.