A moveable joint that connects two solid objects, allowing them to pivot or rotate.

A critical point or aspect which something depends on.

एक महत्वपूर्ण बिंदु या पहलू जिस पर कुछ निर्भर करता है।

English Usage: The hinge of the argument was the definition of success.

Hindi Usage: तर्क का आधार सफलता की परिभाषा थी।