A polygon with re-entrant angles.    From Wordnet, Princeton University. 

Adjective : a reentrant angle.    From Dictionary.com. 

Noun : Reentrants to the engineering program must take the introductory course again.    From Dictionary.com. 

The Turkish left rested securely on a re-entrant bend of the.    From Wordnik.com.  [With a Highland Regiment in Mesopotamia 1916—1917] Reference

This plan was adopted to avoid having to advance up the re-entrant which was too dangerous.    From Wordnik.com.  [The Fife and Forfar Yeomanry and 14th (F. & F. Yeo.) Battn. R.H. 1914-1919] Reference

Although we were not actually in the Salient itself, we were situated at the northern re-entrant to it.    From Wordnik.com.  [Three years in France with the Guns: Being Episodes in the life of a Field Battery] Reference

The Dutch-Belgian infantry at the re-entrant of the ridge took one close look at the nearest column and fled.    From Wordnik.com.  [Sharpe's Waterloo]

Lua is also fully re-entrant code with no global variables.    From Wordnik.com.  [Softpedia - Windows - All] Reference

RM-Express is now fully re-entrant, multi-user and network enabled.    From Wordnik.com.  [AvaxHome RSS:] Reference

The Guides moved on the village, and up the main re-entrant itself.    From Wordnik.com.  [The Story of the Malakand Field Force An Episode of Frontier War] Reference

The application is fully network enabled, multi-user and re-entrant.    From Wordnik.com.  [Softpedia - Windows - All] Reference

The implementation was single-tasking, monolithic and non re-entrant.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

You're scripts need to handle these cases; they need to be re-entrant.    From Wordnik.com.  [MSDN Blogs] Reference

The application is now fully network enabled, multi-user and re-entrant.    From Wordnik.com.  [Softpedia - Windows - All] Reference

The Rifles Battalion HQ, in a re-entrant on the valley floor, was spotted.    From Wordnik.com.  [Army Rumour Service] Reference

I tune it GCEA re-entrant (high 4th course), pretty standard ukulele tuning.    From Wordnik.com.  [Mandolin Cafe News] Reference

Justification Functions that use non-const global or static data are not re-entrant.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Why should you ever call MessageBox from inside a message handler that is re-entrant?.    From Wordnik.com.  [MSDN Blogs] Reference

HOEK A re-entrant in a range of hills; literally corner; also used for pass and ravine.    From Wordnik.com.  [History of the War in South Africa 1899-1902 v. 1 (of 4) Compiled by Direction of His Majesty's Government] Reference

The best re-entrant attempt is shown, in which each knight has to trespass twice on other parts.    From Wordnik.com.  [Amusements in Mathematics] Reference

The path debouched about the midst of the re-entrant angle, the woods stopping some distance inland.    From Wordnik.com.  [In the South Seas] Reference

This is difficult, because of the condition as to the flag-buoy, and because it is a re-entrant tour.    From Wordnik.com.  [Amusements in Mathematics] Reference

It can be shared because function code is non-modifiable (also called re-entrant code or pure procedure).    From Wordnik.com.  [LearnHub Activities] Reference

In other words, the smallest rectangular board on which a re-entrant tour is possible is one that is 6 by 5.    From Wordnik.com.  [Amusements in Mathematics] Reference

The boss is encircled by three ribs, the inner one being gapped, and the two others having a curious re-entrant angle.    From Wordnik.com.  [The Bronze Age in Ireland] Reference

I think this is the best result that has ever been obtained (either re-entrant or not), and nobody can yet say whether.    From Wordnik.com.  [Amusements in Mathematics] Reference

As I explained in a previous post, I was treated as a cross between a lateral and a Aussie re-entrant and managed to retain my rank.    From Wordnik.com.  [Army Rumour Service] Reference

Dr. Rosanne Shaw, who practices emergency medicine in Summit County, said she's seen re-entrant HAPE mostly in 14-to-15-year-old males.    From Wordnik.com.  [Summit Daily News - Top Stories] Reference

The Hun trench facing it is also in a re-entrant, the original front lines on both sides having been crumpled and flooded out of existence.    From Wordnik.com.  [Punch, or the London Charivari, Vol. 150, March 1, 1916] Reference

(remember a tour must be re-entrant) that may start from a G, I, or J.    From Wordnik.com.  [Amusements in Mathematics] Reference

A re-entrant angle; for then you can strike on your enemy's flank and threaten his communications.    From Wordnik.com.  [From Capetown to Ladysmith An Unfinished Record of the South African War] Reference

Regarding: "Why should you ever call MessageBox from inside a message handler that is re-entrant?.    From Wordnik.com.  [MSDN Blogs] Reference

Canyons and re-entrant angles abound.    From Wordnik.com.  [Canyons of the Colorado] Reference

Now B116 is a front line trench in a re-entrant.    From Wordnik.com.  [Punch, or the London Charivari, Vol. 150, March 1, 1916] Reference

· Is port re-entrant.    From Wordnik.com.  [The Latest on Air America] Reference

· Is port re-entrant.    From Wordnik.com.  [Softpedia - Windows - All] Reference

"re-entrant.".    From Wordnik.com.  [Amusements in Mathematics] Reference

(re-entrant tuning).    From Wordnik.com.  [Mandolin Cafe News] Reference

Feed-back/feed-forward … re-entrant … manifold.    From Wordnik.com.  [Comments at Boxes and Arrows] Reference