Among dogs, this is also called a mutt or a mixed-breed dog. Owners of mixed-breeds in the USA refer to their dogs as "All American" when involved in competitive sports.
A mongrel cat is referred to as a moggy in Australia.
"Mongrel" is a derogatory epithet in Australia. It is generally used to refer to an ill-bred man, a man of poor manners or morals.
It has been suggested that Residential pets be merged into this article or section. ... A mixed breed is an animal whose parents are from different breeds or species. ... Purebreds, also called purebreeds or pedigreed, are cultivated varieties or cultivars of a species, achieved through the process of selective breeding. ... Trinomial name Canis lupus familiaris The dog (Canis lupus familiaris) is a domestic subspecies of the wolf, a mammal of the Canidae family of the order Carnivora. ... A healthy mixed-breed dog shows hybrid vigor. ... Binomial name Felis catus Linnaeus, 1758 Synonyms Felis lybica invalid junior synonym The cat (or domestic cat, house cat) is a small carnivorous mammal. ... This does not cite any references or sources. ... An epithet (Greek - εÏιθεÏον and Latin - epitheton; literally meaning imposed) is a descriptive word or phrase. ...
For humans (often an insult) a description of a person's (genetic) heritage that is negative and meant as a demeaning label; someone of mixed ethnicities.
In web development, Mongrel is an open source web server in the same arena as lighttpd and httpd.