I. tran(t)s-ˈje-nik adjective
Date: 1982
: being or used to produce an organism or cell of one species into which one or more genes of another species have been incorporated
a transgenic mouse
transgenic crops
also : produced by or consisting of transgenic plants or animals
II. noun
Date: 1986
1. plural but singular in construction : a branch of biotechnology concerned with the production of transgenic plants, animals, and foods
2. : a transgenic plant or animal