1. plural of grotto; small caves or caverns, especially picturesque ones
2. artificial cave-like structures or garden features designed for decoration
Usage: landscaping; architecture

Examples

• The limestone cliffs contained several small grottos along the shoreline.
• Tourists explored the mysterious grottos hidden beneath the ancient castle.
• The garden designer created beautiful grottos using natural stone and flowing water.
• Sea caves and grottos provided shelter for early coastal inhabitants.
• The park featured ornamental grottos as focal points in the landscape design.
• Divers discovered underwater grottos filled with colorful marine life.