1. a curved structure in the brain that plays a key role in memory formation and spatial navigation
Usage: anatomy
2. a small marine fish with a horse-like head and curled tail
Usage: zoology

Examples

• Damage to the hippocampus can severely affect a person’s ability to form new memories.
• The hippocampus is located in the temporal lobe of the brain.
• Scientists study the hippocampus to understand how memories are stored.
• The colorful hippocampus clung to the coral with its prehensile tail.
• Seahorses, or hippocampi, are unique among fish because the males carry the eggs.
• The aquarium’s hippocampus exhibit featured several species of seahorses.