Source : Webster's Revised Unabridged Dictionary (1913)

Crossbred \Cross"bred`\ (-br?d`), a. (Stock Breeding)
   Produced by mixing distinct breeds; mongrel.

Source : WordNet®

crossbred
     See {crossbreed}

crossbred
     adj 1: bred from a mixture of breeds or strains [ant: {purebred}]
     2: bred of parents of different races or strains [syn: {interbred}]
     n : a hybrid (especially an animal produced by a cross between
         two pure breeds)

crossbreed
     n : an organism that is the offspring of genetically dissimilar
         parents or stock; especially offspring produced by
         breeding plants or animals of different varieties or
         breeds or species; "a mule is a cross between a horse and
         a donkey" [syn: {hybrid}, {cross}]
     v : breed animals or plants using parents of different races and
         varieties; "cross a horse and a donkey"; "Mendel tried
         crossbreeding"; "these species do not interbreed" [syn: {cross},
          {hybridize}, {hybridise}, {interbreed}]
     [also: {crossbred}]