\ˈrās, ˈrēz \
plural res

Definition of res 

(Entry 1 of 2)

: a particular thing : matter used especially in legal phrases

Definition of res (Entry 2 of 2)

1 research

2 reservation

3 reserve

4 reservoir

5 residence; resident

6 resolution

Examples of res in a Sentence

Recent Examples on the Web: Noun

The quality of the display is akin to old-school Pebble smartwatches, with low-res-looking icons, numbers, and letters—nowhere near the quality of the Apple Watch's OLED display or similar wearables. Valentina Palladino, Ars Technica, "Amazfit Bip review: One peculiar week with a $99 smartwatch," 21 Mar. 2018 Prices for full albums of hi-res files went from anywhere between $20 to $28 versus half that on iTunes and other download stores. Marc Schneider, Billboard, "Neil Young Knows Why Pono Failed: 'The Record Labels Killed It'," 15 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'res.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of res


circa 1732, in the meaning defined above

History and Etymology for res


Latin — more at real

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Time Traveler for res

The first known use of res was circa 1732

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Kids Definition of res.


Medical Definition of RES 

reticuloendothelial system


\ˈrās, ˈrēz \

Legal Definition of res 

1 : a thing (as a property, interest, or status) as opposed to a person that is the object of rights and especially that is the subject matter of litigation a court with jurisdiction over the res of the suit — compare in personam, in rem, quasi in rem

2 : corpus the res of the trust was the marital homeStopka v. Commercial Embroidery, Inc., 428 N.E.2d 1130 (1981)

History and Etymology for res


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See words that rhyme with res

Spanish Central: Translation of res

Nglish: Translation of res for Spanish Speakers

Comments on res

What made you want to look up res? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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