The noun or pronoun that follows a preposition and completes its meaning.

प्रीपोजिशन का उद्देश्य

English Usage: In the sentence "She sat on the chair," the word "chair" is the object of the preposition "on."

Hindi Usage: वाक्य "वह कुर्सी पर बैठी थी" में, "कुर्सी" शब्द "पर" प्रीपोजिशन का उद्देश्य है।