boy

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A male child.
2. n. A son: his youngest boy.
3. n. Often Offensive A man, especially a young man.
4. n. Informal A man socializing in a group of men: a night out with the boys.
5. n. Offensive A male servant or employee.
6. interj. Used to express mild astonishment, elation, or disgust: Oh boy—what a surprise!

Century Dictionary and Cyclopedia

1. n. A male child, from birth to full growth, but especially from the end of infancy to the beginning of youth: also applied to a young man, implying immaturity, want of vigor or judgment, etc.
2. n. In familiar or playful use (usually in the plural), a grown man regarded as one of the younger members of a family, as an intimate friend or associate, or as having in any respect a boyish relation or character.
3. n. Specifically, in the United States— In the South, especially before the abolition of slavery, a negro man.
4. n. An unscrupulous local politician, especially in a large city; one of the managers or subordinates of the “machine” of a party in local politics and elections: as, a ticket not acceptable to the boys.
5. n. A young servant; a page: as, “boys, grooms, and lackeys,” Hence in compound words sometimes applied to grown men without any idea of youth or contempt: as, a potboy.
6. n. [Supposed by some to be “a corruption of Hind. bhaiee, a servant”; but the Hind. word, prop. bhāī, means ‘brother,’ and boy in this use is merely the E. word. Cf. boy.] In India and the treaty-ports of China and Japan, etc., a native male servant, especially a personal servant; a butler or waiter, house-boy, office-boy, etc., as distinguished from a coolie or porter: in common use among foreigners.
7. n. Old boy, a familiar name for the devil.
8. n. Roaring boys. See roaring.
9. To treat as a boy, or as something belonging to or befitting a boy.
10. To act or represent in the manner of a boy: in allusion to the acting by boys of women's parts on the stage.
11. n. In India, as far north as the Nerbudda river, a palankin-bearer. Yule and Burnell, Anglo-Ind. Glossary.

Wiktionary

1. n. Male servant.
2. interj. Exclamation of surprise, pleasure or longing.
3. v. To use the word boy to refer to someone.
4. v. transitive To act as a boy (in allusion to the former practice of boys acting women's parts on the stage).

GNU Webster's 1913

1. n. A male child, from birth to the age of puberty; a lad; hence, a son.
2. n. derog. In various countries, a male servant, laborer, or slave of a native or inferior race; also, any man of such a race; -- considered derogatory by those so called, and now seldom used.
3. v. To act as a boy; -- in allusion to the former practice of boys acting women's parts on the stage.

WordNet 3.0

1. n. a male human offspring
2. n. (ethnic slur) offensive and disparaging term for Black man
3. n. a friendly informal reference to a grown man
4. n. a youthful male person