quadrant

noun

quad·​rant ˈkwä-drənt How to pronounce quadrant (audio)
1
a
: an instrument for measuring altitudes consisting commonly of a graduated arc of 90 degrees with an index or vernier and usually having a plumb line or spirit level for fixing the vertical or horizontal direction
b
: a device or mechanical part shaped like or suggestive of the quadrant of a circle
2
a
: an arc of 90 degrees that is one quarter of a circle
b
: the area bounded by a quadrant and two radii
3
a
: any of the four parts into which a plane is divided by rectangular coordinate axes lying in that plane
b
: any of the four quarters into which something is divided by two real or imaginary lines that intersect each other at right angles
quadrantal adjective

Illustration of quadrant

Illustration of quadrant
  • quadrant 2

Did you know?

This word is used for a traditional instrument, used to make calculations of altitude and traditionally employed by sailors to navigate, which has a piece shaped like a quarter of a circle. A quadrant shower is a shower that fits snugly into a bathroom corner and displays a curved front, making a quadrant shape on the floor. But perhaps quadrant is used most often today to name a particular quarter of a city.

Examples of quadrant in a Sentence

Draw two intersecting lines that divide the page into four quadrants. The town is located in the northwest quadrant of the state.
Recent Examples on the Web The Original Farmers’ Market will operate on the southwest quadrant for the 2024 season, due to renovations at the Indianapolis City Market. The Indianapolis Star, 18 Apr. 2024 The space was broken into four quadrants and each planted with a heritage fruit tree, roses, and blueberry bushes. Kristin Guy, Sunset Magazine, 16 Apr. 2024 Then, tucked in the upper right-hand quadrant is a unique date display, which fits perfectly in a diamond set ring between one and two o’clock. Cait Bazemore, Robb Report, 22 Feb. 2024 Establishing that means venturing into a previously unexplored quadrant of Hollow Earth, where Kong is fending off other monsters while Godzilla patrols the surface, keeping the peace and doing lots of property damage in the process. Brian Lowry, CNN, 28 Mar. 2024 The land, in the southwest quadrant of the intersection between Highways 51 and 19, was purchased for $14.1 million, the Wisconsin State Journal reported. Claire Reid, Journal Sentinel, 21 Mar. 2024 The mixed material upper has a basic four quadrant pattern when viewed from above, giving it both pattern and texture, but also a streamlined, timeless look that works with most any outfit. Rachel Chang, Condé Nast Traveler, 15 Mar. 2024 In this case, Hill recommends sectioning hair into quadrants and then plaiting or twisting the ends together. Deanna Pai, Vogue, 18 Mar. 2024 The goal is to move all 15 of your pieces around the board, into your home quadrant (the section of the board closest to you) and then off the playing surface entirely — the first player to clear all their pieces off the board is the winner. Julia Halperin, New York Times, 8 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'quadrant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, from Latin quadrant-, quadrans fourth part; akin to Latin quattuor four — more at four

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of quadrant was in the 15th century

Dictionary Entries Near quadrant

Cite this Entry

“Quadrant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrant. Accessed 25 Apr. 2024.

Kids Definition

quadrant

noun
quad·​rant ˈkwäd-rənt How to pronounce quadrant (audio)
1
: an arc of 90° : one quarter of a circle
2
: any of the four quarters into which something is divided by two real or imaginary lines that intersect each other at right angles

Medical Definition

quadrant

noun
quad·​rant ˈkwäd-rənt How to pronounce quadrant (audio)
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 quadrant of the abdomen

More from Merriam-Webster on quadrant

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