(sciences) A simplified problem with clear constraints and parameters, usually used as a tool to understand a related real-world problem.

plural of toy problem

plural of toy-boy

plural of toy shop

(Britain, Australia) A toy made of a soft material, usually stuffed with cotton, straw, beans, or other materials, and typically intended as a plaything for children.

Synonym of soft toy

(obsolete) To waste time; to dally or idle.

Alternative spelling of yu choy

Synonym of toy theory

(sciences, of a theory) a highly simplified model used to explore systems qualitatively