![](http://www.callawayfasthealth.com/images1/shim.gif)
quad·rant
n 1 : an arc of 90° that is one quarter of a circle 2 : any of the four more or less equivalent segments into which an anatomic structure may be divided by vertical and horizontal partitioning through its midpoint <pain in the lower right of the abdomen> <the left upper of the retina> .
![](http://www.fasthealth.com/dictionary/glyph/hstres.gif) ![](http://www.fasthealth.com/dictionary/glyph/k.gif) ![](http://www.fasthealth.com/dictionary/glyph/w.gif) ![](http://www.fasthealth.com/dictionary/glyph/auml.gif) ![](http://www.fasthealth.com/dictionary/glyph/d.gif) ![](http://www.fasthealth.com/dictionary/glyph/dash.gif) ![](http://www.fasthealth.com/dictionary/glyph/r.gif) ![](http://www.fasthealth.com/dictionary/glyph/schwa.gif) ![](http://www.fasthealth.com/dictionary/glyph/n.gif)
Similar sounding terms: cau·ter·ant
Published under license with Merriam-Webster, Incorporated. © 1997-2024.
|
![](http://www.callawayfasthealth.com/images1/shim.gif) |
![](http://www.callawayfasthealth.com/images1/shim.gif)
![](http://www.callawayfasthealth.com/pimages/h_cch_mo120x90.gif)
![](http://www.fasthealth.com/pimages/fhai120x90.gif) |