2. An area of the market specializing in one type of product or service.
3. Place in nature: The role of an organism within its natural environment that determines its relations with other organisms and ensures its survival.
4. A recess in a wall, especially one made to hold a statue.
5. Hollow place: any recess or hollow, e.g. in a rock formation.
2. Designed to undercut the competition in the same niche.
"OH MY GOD THAT NICH JUST STOLE MY BIKE!"