{i} cross breed of different organisms, hybrid; dog of a mixed breed (Zoology, Botany)
A mongrel is a dog which is a mixture of different breeds. a dog that is a mix of several different breeds (Probably from mong (13-19 centuries), from gemong )
derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin; "the architecture was a kind of bastard suggesting Gothic but not true Gothic"
The progeny resulting from a cross between two breeds, as of domestic animals; anything of mixed breed