| Noun | 1. | elastic device - any flexible device that will return to its original shape when stretched device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" elastic, elastic band, rubber band - a narrow band of elastic rubber used to hold things (such as papers) together spring - a metal elastic device that returns to its shape or position when pushed or pulled or pressed; "the spring was broken" |