(Australia, slang) An extremely unpleasant or objectionable person.

Misspelling of Tyrannosaurus rex.

plural of Cornish Rex

plural of Selkirk Rex

A domestic cat of a particular US breed with the rex coat variation; they originated in Oregon in the 1950s and have since merged with other breeds.

plural of Oregon Rex

Alternative letter-case form of Bantersaurus Rex

(slang, humorous) A person full of witty banter.

plural of Bantersaurus Rex

(astronomy, NASA) Initialism of Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (a NASA asteroid-study and sample-return mission)