Breed·ing n.
 1. The act or process of generating or bearing.
 2. The raising or improving of any kind of domestic animals; as, farmers should pay attention to breeding.
 3. Nurture; education; formation of manners.
    She had her breeding at my father's charge.   --Shak.
 4. Deportment or behavior in the external offices and decorums of social life; manners; knowledge of, or training in, the ceremonies, or polite observances of society.
    Delicacy of breeding, or that polite deference and respect which civility obliges us either to express or counterfeit towards the persons with whom we converse.   --Hume.
 5. Descent; pedigree; extraction. [Obs.]
    Honest gentlemen, I know not your breeding.   --Shak.
 Close breeding, In and in breeding, breeding from a male and female from the same parentage.
 Cross breeding, breeding from a male and female of different lineage.
 Good breeding, politeness; genteel deportment.
 Syn: -- Education; instruction; nurture; training; manners. See Education.

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 In, adv.
 1. Not out; within; inside. In, the preposition, becomes an adverb by omission of its object, leaving it as the representative of an adverbial phrase, the context indicating what the omitted object is; as, he takes in the situation (i. e., he comprehends it in his mind); the Republicans were in (i. e., in office); in at one ear and out at the other (i. e., in or into the head); his side was in (i. e., in the turn at the bat); he came in (i. e., into the house).
    Their vacation . . . falls in so pat with ours.   --Lamb.
 Note: ☞ The sails of a vessel are said, in nautical language, to be in when they are furled, or when stowed.
    In certain cases in has an adjectival sense; as, the in train (i. e., the incoming train); compare up grade, down grade, undertow, afterthought, etc.
 2. Law With privilege or possession; -- used to denote a holding, possession, or seisin; as, in by descent; in by purchase; in of the seisin of her husband.
 In and in breeding. See under Breeding.
 In and out Naut., through and through; -- said of a through bolt in a ship's side. --Knight.
 To be in, to be at home; as, Mrs. A. is in.
 To come in. See under Come.