Mongrel

Encyclopedia : M : MO : MON : Mongrel

Mongrel refers to mixed ancestry:

Among pets, one whose parentage is of mixed breeds as opposed to purebred
Among dogs, this is also called a mutt or a mixed-breed dog
A mongrel cat is often referred to as a moggy
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.
For humans also a description of a member of a group of Mongrels, as in team member on Mongrels Adventure Racing - [link]
In web development, Mongrel is an open source web server in the same arena as lighttpd and httpd.

References

http://mongrel.rubyforge.org