To goad or push someone to act.
Something used to goad or push someone to act.
A stick designed to goad cows, steers, and similar animals in order to prompt them to move in a desired direction, now usually electrified to administer a stimulating shock to the animal.
To force physically, by strong persuasion or pressuring; to compel; to oblige.
To keep within close bounds; to confine.
To reduce a result in response to limited resources.