What does "bred" mean?

Bred: imp. & p. p. of Breed. Bred out, degenerated. "The strain of man's bred out into baboon and monkey." Shak. -- Bred to arms. See under Arms. -- Well bred. (a) Of a good family; having a good pedigree. "A gentleman well bred and of good name." Shak. [Obs., except as applied to domestic animals.] (b) Well brought up, as shown in having good manners; cultivated; refined; polite.