any recombined DNA, esp. that formed in the laboratory by splicing together pieces of DNA from different species, as to create new life forms, modify existing ones, or produce useful biological chemicals, as insulin
See recombinant DNA in American Heritage Dictionary 4
noun
Genetically engineered DNA prepared by transplanting or splicing genes from one species into the cells of a host organism of a different species. Such DNA becomes part of the host's genetic makeup and is replicated.