1. points in time, especially critical or important moments
2. places where things join or meet; joints or connections

Examples

• At critical junctures in history, great leaders emerge.
• This is an important juncture in our company’s development.
• The peace talks reached a crucial juncture yesterday.
• We must examine the junctures where the pipes connect.
• The building failed at several structural junctures.
• At this juncture, we need to make a decision.
• The junctures between the wall panels were carefully sealed.