'Inbreeding' definitions:

Definition of 'inbreeding'

From: WordNet
noun
The act of mating closely related individuals

Definition of 'Inbreeding'

From: GCIDE
  • Inbreed \In*breed"\, v. t. [imp. & p. p. Inbred; p. pr. & vb. n. Inbreeding.] [Cf. Imbreed.] [1913 Webster]
  • 1. To produce or generate within. --Bp. Reynolds. [1913 Webster]
  • To inbreed and cherish . . . the seeds of virtue. --Milton. [1913 Webster]
  • 2. To breed in and in. See under Breed, v. i. [1913 Webster]