- suspension, respite, reprieve, hiatus, abatement - an interruption in the intensity or amount of something
--1 is a kind of interruption, break
--1 has particulars: defervescence; remission, remittal, subsidence - hiatus - a missing piece (as a gap in a manuscript)
--2 is a kind of piece
- foramen, hiatus - a natural opening or perforation through a bone or a membranous structure
--3 is a kind of opening, gap
--3 has particulars:interventricular foramen, foramen of Monro, Monro's foramen; foramen magnum - foramen, hiatus - a natural opening or perforation through a bone or a membranous structure