• Dictionary
• Thesaurus
• Scrabble
• Spanish Central
• Learner's Dictionary

play

• : one part of something that is evenly divided into four parts; especially geometry : one part of a circle that is evenly divided into four parts

Source: Merriam-Webster's Learner's Dictionary

1. 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. 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. 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

## Examples of quadrant in a sentence

1. Draw two intersecting lines that divide the page into four quadrants.

2. The town is located in the northwest quadrant of the state.

## 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.

## Origin and Etymology of quadrant

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

First Known Use: 15th century

## Definition of quadrant for Students

1. 1 :  one-fourth of a circle

2. 2 :  any of the four parts into which something is divided by two imaginary or real lines that intersect each other at right angles

## Medical Dictionary

play

1. 1:  an arc of 90° that is one quarter of a circle

2. 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>

## Seen and Heard

#### tantivy

play

at a gallop

Get Word of the Day daily email!

#### WORD GAMES

Take a 3-minute break and test your skills!

Which is the correct spelling?

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

#### Words at Play

##### 'Between You and I'

Don't let this phrase come between you

##### 'Mall': It's Not Just for Shopping

It used to be all fun and games

Take to the sea

##### Prone vs. Supine vs. Prostrate

Don't take this lying down

##### How to Use the Subjunctive in English

If I were you, I'd watch this

##### How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

##### Irregardless

It is in fact a real word (but that doesn't mean you should use it).

##### Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

#### Word Games

##### Difficult Spelling Words Quiz

Can you spell these 15 tricky spelling words?

Take the quiz
##### Who Knew?

Take this quiz and discover 12 words for things you didn't know had words.

Take the quiz
##### Name That Thing

Test your visual vocabulary with our 10-question challenge!

Take the quiz