1. a small freshwater fish that darts quickly through the water
2. a large water bird with a long neck and sharp bill that dives for fish
3. something or someone that moves quickly and suddenly

Examples

• The darter fish quickly disappeared behind a rock when we approached the stream.
• We spotted a darter perched on a branch over the lake, drying its wings.
• The small darter species are important indicators of water quality in rivers.
• A darter dove into the water and emerged with a fish in its beak.
• The rainbow darter is one of the most colorful fish in North American streams.
• The bird was identified as an anhinga, also known as a darter.
• Like a darter through the crowd, she quickly made her way to the exit.