reentrant

or re-en·trant

[ ree-en-truhnt ]

adjective

1. reentering or pointing inward:

   a reentrant angle.

noun

1. a reentering angle or part.
2. a person or thing that reenters or returns:

   Reentrants to the engineering program must take the introductory course again.

3. Physical Geography. a prominent indentation in a coastline. Compare salient ( def 6 ).

Word History and Origins

Origin of reentrant¹

First recorded in 1775–85; re- + entrant

Example Sentences

Frowning hills and rolling sand dunes are to be thrown bodily into the reentrant bay.

From Project Gutenberg