- niche - a position particularly well suited to the person who occupies it; "he found his niche in the academic world"
--1 is a kind of place, station
- recess, recession, niche, corner - a small concavity
--2 is a kind of concave shape, concavity, incurvation, incurvature
--2 has particulars: pharyngeal recess- recess, niche - an enclosure that is set back or indented
--3 is a kind of enclosure
--3 has particulars:alcove, bay; apse, apsis; columbarium, cinerarium; fireplace, hearth, open fireplace; mihrab - niche, ecological niche - (ecology) the status of an organism within its environment and community (affecting its survival as a species)
--4 is a kind of condition, status
- recess, recession, niche, corner - a small concavity