- reentering or pointing inward: a reentrant angle.
- a reentering angle or part.
- a person or thing that reenters or returns: Reentrants to the engineering program must take the introductory course again.
- Physical Geography. a prominent indentation in a coastline.Compare salient(def 6).
Origin of reentrant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for re-entrant
The re-entrant rectangles on the bracelet represented in Fig. 4, Pl.Navajo Silversmiths
The Turkish left rested securely on a re-entrant bend of the Tigris.With a Highland Regiment in Mesopotamia
One of its Officer
The crowded Infantry waiting in support would certainly have been driven out of the re-entrant with frightful slaughter.London to Ladysmith via Pretoria
Winston Spencer Churchill
Note especially the variation in complexity of occlusal pattern, width of re-entrant folds, and degree of tubercularity.
In several specimens, however, the re-entrant fold is absent from the lingual surface of M1.
- (of an angle, esp in fortifications) pointing inwardsCompare salient (def. 2)
- maths (of an angle in a polygon) greater than 180° and thus pointing inwards
- an angle or part that points inwards
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012