'Both' definitions:

Definition of 'both'

(from WordNet)
adjective
(used with count nouns) two considered together; the two; "both girls are pretty"

Definition of 'Both'

From: GCIDE
  • Both \Both\, conj. As well; not only; equally. [1913 Webster]
  • Note: Both precedes the first of two co["o]rdinate words or phrases, and is followed by and before the other, both . . . and . . .; as well the one as the other; not only this, but also that; equally the former and the latter. It is also sometimes followed by more than two co["o]rdinate words, connected by and expressed or understood. [1913 Webster]
  • To judge both quick and dead. --Milton. [1913 Webster]
  • A masterpiece both for argument and style. --Goldsmith. [1913 Webster]
  • To whom bothe heven and erthe and see is sene. --Chaucer. [1913 Webster]
  • Both mongrel, puppy, whelp, and hound. --Goldsmith. [1913 Webster]
  • He prayeth well who loveth well Both man and bird and beast. --Coleridge. [1913 Webster]

Definition of 'Both'

From: GCIDE
  • Both \Both\ (b[=o]th), a. or pron. [OE. bothe, ba[thorn]e, fr. Icel. b[=a][eth]ir; akin to Dan. baade, Sw. b[*a]da, Goth. baj[=o][thorn]s, OHG. beid[=e], b[=e]d[=e], G. & D. beide, also AS. begen, b[=a], b[=u], Goth. bai, and Gr. 'a`mfw, L. ambo, Lith. ab[`a], OSlav. oba, Skr. ubha. [root]310. Cf. Amb-.] The one and the other; the two; the pair, without exception of either. [1913 Webster]
  • Note: It is generally used adjectively with nouns; as, both horses ran away; but with pronouns, and often with nous, it is used substantively, and followed by of. [1913 Webster]
  • Note: It frequently stands as a pronoun. [1913 Webster]
  • She alone is heir to both of us. --Shak. [1913 Webster]
  • Abraham took sheep and oxen, and gave them unto Abimelech; and both of them made a covenant. --Gen. xxi. 27. [1913 Webster]
  • He will not bear the loss of his rank, because he can bear the loss of his estate; but he will bear both, because he is prepared for both. --Bolingbroke. [1913 Webster]
  • Note: It is often used in apposition with nouns or pronouns. [1913 Webster]
  • Thy weal and woe are both of them extremes. --Shak. [1913 Webster]
  • This said, they both betook them several ways. --Milton. [1913 Webster]
  • Note: Both now always precedes any other attributive words; as, both their armies; both our eyes. [1913 Webster]
  • Note: Both of is used before pronouns in the objective case; as, both of us, them, whom, etc.; but before substantives its used is colloquial, both (without of) being the preferred form; as, both the brothers. [1913 Webster]

Synonyms of 'both'

From: Moby Thesaurus