A stay or support that is positioned at the back of a structure, particularly in sailing to prevent mast movement.

In a more general sense, it can refer to any support or reinforcement at the back of an object or structure.

किसी वस्तु या संरचना के पिछले हिस्से में कोई समर्थन या सुदृढ़ीकरण।

English Usage: The backstay of the tent provided extra support against the wind.

Hindi Usage: तंबू का बैकस्टे हवा के खिलाफ अतिरिक्त समर्थन प्रदान करता था।