res

¹ American  

[reez, reys] / riz, reɪs /

noun

Chiefly Law.

plural

res

1. an object or thing; matter.

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RES ² American  

abbreviation

Immunology.

1. reticuloendothelial system.

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res. ³ American  

abbreviation

1. research.

2. reserve.

3. residence.

4. resident; residents.

5. resigned.

6. resolution.

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res. ¹ British  

abbreviation

1. residence

2. resides

3. resigned

4. resolution

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res ² British  

/ reɪs /

noun

1. a thing, matter, or object

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Etymology

Origin of res

First recorded in 1850–55, res is from the Latin word rēs

Example Sentences

We begin in medias res as the unnamed author frets about his choice to begin at chapter 13 rather than the more traditional chapter 1.

From The Wall Street Journal • Apr. 16, 2026

The law deems them res nullius, which literally means a thing belonging to nobody - so responsibility falls to individual landowners.

From BBC • Dec. 25, 2025

Instead of plopping us into an eternity in media res, Freyne introduces something novel to this process: a choice.

From Salon • Nov. 27, 2025

Birria de res — stewed beef — is on menus across town after it truly hit Southern California last decade.

From Los Angeles Times • Mar. 14, 2024

Eodem temporis puncto, quo hæc res argumentata fuit inter militem et tympanistam, disceptabatur ibidem tubicine et uxore suâ qui tunc accesserunt, et peregrino prætereunte, restiterunt.

From The Life and Opinions of Tristram Shandy, Gentleman by Sterne, Laurence