'Reentrant' definitions:
Definition of 'reentrant'
(from WordNet)
adjective
(of angles) pointing inward; "a polygon with re-entrant angles" [syn: re-entrant, reentrant] [ant: salient]
Definition of 'Reentrant'
From: GCIDE
- Reentrant \Re*en"trant\ (-trant), a. Reentering; pointing or directed inwards; as, a reentrant angle. [1913 Webster]