1. plural of niche: specialized segments of a market or areas of activity
Usage: business; marketing
2. plural of niche: shallow recesses or hollows in walls, especially for displaying objects
Usage: architecture
3. plural of niche: the roles or positions of organisms in their ecosystems
Usage: biology; ecology

Examples

• The company found profitable niches in organic foods and sustainable packaging.
• Small businesses often succeed by targeting specific market niches.
• The cathedral walls featured ornate niches displaying religious statues.
• Each species occupies different ecological niches to avoid competition.
• Online retailers can serve specialized niches that physical stores cannot reach.
• The museum’s niches held ancient artifacts and pottery.
• Predators and prey fill distinct niches in the food web.