There are 2 main definitions of Rex in English:

Rex1

Line breaks: Rex
Pronunciation: /rɛks
 
/

noun

The reigning king (used following a name or in the titles of lawsuits, e.g. Rex v. Jones: the Crown versus Jones).

Origin

Latin, literally 'king'.

Definition of Rex in:

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There are 2 main definitions of Rex in English:

Rex2

Line breaks: Rex
Pronunciation: /rɛks
 
/

noun

A cat, rabbit, or guinea pig of a breed with very fine short fur.
More example sentences
  • For example a Rex with his silly behavior with a standoffish Russian Blue may not be the right combination.

Origin

1960s: from Latin, literally 'king'.

Definition of Rex in: