English dictionary, thesaurus, translations & etymology
FreeDict.com
noun Common

rex

REHKS

Rex (noun) means a king, especially used as a title in ancient Rome or in formal Latin-style titles. Example: “The old seal was engraved with the Latin word "rex.”

noun
1
A king, especially used as a title in ancient Rome or in formal Latin-style titles.
"The old seal was engraved with the Latin word "rex.""
2
An animal, especially a rabbit or cat, with a genetic trait that gives it very short or curly fur.
"The rex rabbit's fur felt like velvet."
name
1
A male given name, from the Latin word for "king," first used as a personal name in the 1800s.
"Her grandfather was named Rex after his own father's nickname."

How to use rex

Learner’s notes

In plain EnglishLatin for "king," now mostly known as a men's first name and a common name for pet dogs.

Common pairings
rex rabbit rex cat

Word forms

rexed past tense, rexes plural, reges plural, rexes singular

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “rex” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

The old seal was engraved with the Latin word "_____."

Etymology

From Latin rex ("king"). As a name for short-furred rabbits and cats it entered English around 1920, after the "castorrex" rabbit breed.

Origin: Latin · First attested 1920

Class of 1920 rex joined the language around 1920.
See the full Class of 1920 →

Related words

Frequently asked questions

What does “rex” mean?

The word “rex” means a king, especially used as a title in ancient Rome or in formal Latin-style titles. In plain terms, latin for "king," now mostly known as a men's first name and a common name for pet dogs.

How do you pronounce “rex”?

“Rex” is pronounced REHKS (/ˈɹɛks/ in IPA).

How do you use “rex” in a sentence?

Here is “rex” used in a sentence: “The old seal was engraved with the Latin word "rex.".”

What part of speech is “rex”?

Depending on how it is used, “rex” can be a noun and a name.

Where does the word “rex” come from?

The word “rex” dates back to around 1920 and comes from Latin. From Latin rex ("king"). As a name for short-furred rabbits and cats it entered English around 1920, after the "castorrex" rabbit breed.

Is “rex” a common word?

“Rex” is a fairly common word in modern English.

How many meanings does “rex” have?

“Rex” has 3 distinct senses listed in this dictionary. The most common is: a king, especially used as a title in ancient Rome or in formal Latin-style titles.

What is the difference between 'rex' and 'regina'?

In Latin, 'rex' means 'king' and 'regina' means 'queen.' They appear in formal titles and legal phrasing, where 'Rex' follows a king's name and 'Regina' a queen's.

Is 'Rex' used as a first name?

Yes. 'Rex' is a male given name taken from the Latin word for 'king.' As a personal name it is fairly uncommon, and it is also familiar as a traditional name for pet dogs.

Featured in

People also searched

Definitions: FreeDict original editorial