An informal term for a significant or noteworthy piece of information or news that holds weight in a discussion.

चर्चा में महत्वपूर्ण या ध्यान देने योग्य जानकारी या समाचार का अनौपचारिक शब्द।

English Usage: The poststone of the meeting was the announcement of the new project.

Hindi Usage: बैठक का महत्वपूर्ण मुद्दा नए प्रोजेक्ट की घोषणा थी।

A type of stone used in construction, typically referring to a stone that has been used in the construction of a post or pillar.