1. a sudden brief storm with heavy rain and strong winds
Usage: meteorological

Examples

• The sailors quickly secured the deck as a rainsquall approached from the west.
• We took shelter under the bridge during the fierce rainsquall.
• The weather forecast warned of possible rainsqualls throughout the afternoon.
• The rainsquall passed as quickly as it had arrived, leaving puddles on the sidewalk.
• Dark clouds signaled the approach of another rainsquall over the lake.
• The outdoor concert was postponed due to an unexpected rainsquall.